Sergei Abramovich's publications

- Abramovich, S. (2017).
*Diversifying Mathematics Teaching: Advanced Educational Content and Methods for Prospective Elementary Teachers.*Singapore: World Scientific. Flier - Abramovich, S., and Nikitin, Ya. Yu. (2017). Teaching classic probability problems with modern digital tools.
*Computers in the Schools*, 34(4), 318-336. - Abramovich, S., and Nikitin, Ya. Yu. (2017). On the probability of co-primality of two randomly chosen natural (Who was the first to pose and solve this problem?).
*Mathematics in Higher Education*, 15, 53-68. (In Russian). - Lazić, B., Abramovich, S., Mrda, M, and Romano, D. A. (2017). On the teaching and learning of fractions through a conceptual generalization approach.
*IEJME–Mathematics Education*, 12(8), 749-767. - Abramovich, S. (2017). Progress in mathematical problem posing: From “the liberty of the child” to computational experiments. In R. V. Nata (Ed.),
*Progress in Education, vol. 43*(pp. 49-69). New York, NY: Nova Science Publishers. - Connell, M. L., and Abramovich, S. (2017). Burning the candle: A Technology Immune Technology Enabled problem within an Action on Objects framework. In J. Dron & S. Mishra (Eds.),
*Proceedings of 2017 E-Learn: World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education*(pp. 1724-1730). Chesapeake, VA: Association for the Advancement of Computing in Education. - Connell, M. L., and Abramovich, S. (2017). STEM teaching and learning via technology enhanced inquiry. In I. Levin and D. Tsybulsky (Eds.),
*Digital Tools and Solutions for Inquiry-Based STEM Learning*, Section 1: Inquiry-Based Learning of STEM in Digital Era, chapter 9 (pp. 221-251). Hershey, PA: IGI Global. - Connell, M. L., and Abramovich, S. (2017). Stamping Functions: A Technology Immune Technology Enabled Problem within an Action on Objects Framework. In Liu, L. & Gibson, D. (Eds).
*Research Highlights in Technology and Teacher Education 2017*. Association for the Advancement of Computing in Education (AACE). Available on-line at https://www.learntechlib.org/p/180960/. - Abramovich, S., and Nikitin, Ya. Yu. (2017). On the probability of co-primality of two natural numbers chosen at random: From Euler identity to Haar measure on the ring of adeles.
*Bernoulli News*, 24(1), 7-13. - Abramovich, S., and Connell, M. L. (2017). TITE problem solving: Integrating computing and proving in secondary mathematics teacher education. In P. Resta & S. Smith (Eds.),
*Proceedings of Society for Information Technology & Teacher Education International Conference 2017*(pp. - Connell, M. L., and Abramovich, S. (2017). A technology immune technology enabled problem within an action on objects framework: Stamping functions.
*Journal of Computers in Mathematics and Science Teaching*, 36(2), 117-127. - Abramovich, S., and Connell, M. L. (2017). Problem solving in the digital age: New ideas for secondary mathematics teacher education. .
*Journal of Computers in Mathematics and Science Teaching*, 36(2), 105-116. - Connell, M. L., and Abramovich, S. (2017). Stamping functions: A Technolgy Immune Technology Enabled problem within an Action on Objects framework. In
*Proceedings of Society for Information Technology & Teacher Education International Conference 2017*(pp. 1328-1334)*.*Chesapeake, VA: Association for the Advancement of Computing in Education. (Mathematics education special interest group Best Paper Award). - Abramovich, S., and Connell, M. L. (2017). Revisiting mathematical activities for secondary teachers through the lenses of modern digital tools.
*Open Mathematical Education Notes*, 7(1), 9-28.

2016

- Abramovich, S. (2016).
*Exploring Mathematics with Integrated Spreadsheets in Teacher Education*. Singapore: World Scientific. (See Wolfram Books page). - Abramovich, S. (2016). Exploring quadratic equations with digital tools in mathematics teacher education.
*The Teaching of Mathematics*, 19(2), 84-100. - Connell, M. L., and Abramovich, S. (2016). Promoting technology uses in the elementary mathematics classroom: Lessons in pedagogy from Zoltan Dienes.
*Journal of Educational Multimedia and Hypermedia*, 25(3), 213-227. - Abramovich, S. (2016). Using integrated spreadsheets as a paradigm of Type II technology applications in mathematics teacher education. In G. Chamblee & L. Lungub (Eds),
*Proceedings of Society for Information Technology & Teacher Education International Conference 2016*(pp. 2461-2466). Chesapeake, VA: Association for the Advancement of Computing in Education (AACE). - Abramovich, S. (2016).
Combinatorics of the triangle inequality: from straws to experimental mathematics for teachers.
*Spreadsheets in Education*, 9(1), Article 1. - Abramovich, S., and Connell, M. L. (2016). Sociocultural aspects of the impact of computing technology on the preparation of K-12 mathematics teachers. In I. S. Gibbs (Ed.), Teacher Education: Assessment, Impact and Social Perspectives (pp. 41-75). New York: Nova Science Publishers.
- Abramovich, S. (2016). Using integrated spreadsheets as a paradigm of Type II technology applications in mathematics teacher education.
*Journal of Computers in Mathematics and Science Teaching*, 35(4), 301-312. - Abramovich, S. (2016). Do computers enable mathematical problem solving or just make it "easy"?
*Computer Tools in Education*, 2, pp. 45-54. - Connell, M. L., and Abramovich, S. (2016). Promoting technology uses in the elementary mathematics classroom: Lessons in pedagogy from Zoltan Dienes. In
*Proceedings of EdMedia: World Conference on Educational Media and**Technology 2016*(pp. 1041-1048). Association for the Advancement of Computing in Education (AACE). - Abramovich, S. (2016). Einstellung effect and the modern day mathematical problem solving and posing. In K. Newton (Ed.),
*Problem Solving: Strategies, Challenges and Outcomes*(pp. 51-64). New York: Nova Science Publishers. - Abramovich, S., Burns, J., Campbell, S., and Grinspan, A. Z. (2016). STEM education: Action learning in primary, secondary, and post-secondary mathematics.
*Open Mathematical Education Notes*, 6(2), 65-106. - Strachota, S., Romano, D. A., and Abramovich, S. (2016). A comparative approach to analyzing university entrance mathematics exams.
*Open Mathematical Education Notes*, 6(2), 107-113. - Abramovich, S., Aleksandrov, K. D., Kostin, V. A., Kuznetsov, N. V., Leonov, G. A., Onosovsky, V. V., and Seledzhi, S. M. (2016). Teaching to design and using software products: On common aspects of the educational attainment of mathematicians and teachers.
*Differential Equations and Control Processes*, 2, 135-150.

- Abramovich, S. (2015). Educating teachers to pose mathematical problems in the digital age: toward alternative ways of curriculum design.
*IMVI Open Mathematical Education Notes*, 5(2), pp. 115-136. - Abramovich, S., & Connell, M. (2015). Digital fabrication and hidden inequalities: connecting procedural, factual, and conceptual knowledge.
*International Journal of Technology for Teaching and Learning*, 11(2), 76-89. - Abramovich, S. (2015). Mathematical problem posing as a link between algorithmic thinking and conceptual knowledge.
*The Teaching of Mathematics*, 18(2), 45-60. - Sugden, S., Baker, J. E., & Abramovich, S. (2015). Conditional formatting revisited: a companion for teachers and others.
*Spreadsheets in Education*, 8(3), Article 2. - Abramovich, S., & Cho, E. (2015). Using digital technology for mathematical problem posing. In F. M. Singer, N. Ellerton & J. Cai (Eds),
*Mathematical Problem Posing: From Research to Effective Practice*(pp. 71-102). New York: Springer. - Abramovich, S., Kuznetsov, N. V., and Leonov, G. A. (2015). V. A. Yakubovich – mathematician, “father of the field”, and herald of intellectual democracy in science and society. Proceedings of
*IFAC 1*. Co-published at IFAC PapersOnLine 48-11 (2015), 1-3 Available at http://www.sciencedirect.com/science/article/pii/S2405896315012318.^{st}Conference on Modelling, Identification and Control of Nonlinear Systems (MICNON-2015) - Abramovich, S. (2015). Experimental pre-college mathematics: theory, pedagogy, tools.
*IMVI Open Mathematical Education Notes*, 5(1), pp. 65-86. - Connell, M., Abramovich, S., and Sack, J. (2015). Teaching and learning mathematics in technology intensive classrooms. In J. L. Nath and I. Chen (Eds),
*Technology in the Classroom: For Now and the Future*(pp. 73-92). Dubuque, IA: Kendall Hunt Publishing Company. - Connell, M. L., and Abramovich, S. (2015). Digital fabrication and Aunt Sarah: Enabling quadratic explorations via technology. In
*Proceedings of Society for Information Technology and Teacher Education*(pp. 4923-4930). Chesapeake, VA: Association for the Advancement of Computing in Education. - Connell, M. L., and Abramovich, S. (2015). Teaching and learning mathematics in technology intensive classrooms. In
*Proceedings of Society for Information Technology and Teacher Education*(pp. 2389-2394). Chesapeake, VA: Association for the Advancement of Computing in Education. - Tassell, J., Freiman, V., Abramovich, S., Manuel, D., and Robichaud, X. (2015, February). Using technology to develop mathematical creativity and giftedness. In R. Leikin (Ed.),
*Newsletter of the International Group for Mathematical Creativity and Giftedness*,*8*(pp. 6-7). Mathematical Creativity and Giftedness group. - Tassell, J., Abramovich, S., Manuel, D., Robichaud, X., and Freiman, V., (2015, February). Cases of creativity and giftedness enhanced by technology (V. Freiman, section editor). In R. Leikin (Ed.),
*Newsletter of the International Group for Mathematical Creativity and Giftedness*,*8*(pp. 19-26). Mathematical Creativity and Giftedness group. - Abramovich, S. (2015). Discovering new mathematical results through preparing capstone course materials for secondary teacher candidates. In
*Mathematics in Undergraduate Study Programs: Challenges for Research and for the Dialogue Between Mathematics and Didactics of Mathematics*(pp. 61-62). Report No. 56/2014; DOI: 10.4171/OWR/214/56. Mathematicsches Forschungsinstitut Oberwolfach. - Abramovich, S. (2015). Using integrated spreadsheets in mathematics teacher education: an international perspective. In V. V. Koretz (Ed.),
*Contemporary Education: Problems, Computerization, Best Practices*(Proceedings of the 4th Gatchina Educational Psychology Conference pp. 52-58). Gatchina, Russia: St Petersburg Instiute of Intereconomic Relations, Economics, and Law.

- Abramovich, S. (2014).
*Computational Experiment Approach to Advanced Secondary Mathematics Curriculum*. Dordrecht, The Netherlands: Springer. (Review by Steven C. Althoen). - Abramovich, S. (2014). On the duality of transition from visual to symbolic in the teaching of school mathematics.
*Open Mathematical Education Notes*, 4, pp. 9-18. - Abramovich, S. (2014). Revisiting mathematical problem solving and posing in the digital era: Toward pedagogically sound uses of modern technology.
*International Journal of Mathematical Education in Science and Technology*, 45(7), 1034-1052. doi:10.1080/0020739X.2014.902134 - Abramovich, S. (2014). Toward the development of creative thinking in advanced school mathematics using technology. Proceedings of the 8th International Mathematical Creativity and Giftedness Conference (pp. 181-184, Simposium: Using technology to develop mathematical creativity and giftedness). Denver, CO: Institute for the Development of Gifted Education.
- Abramovich, S. (2014). Experimental mathematics for secondary schools: Connecting curriculum strands through technology integration. In D. Berlin & A. White (Eds),
*Initiatives in Mathematics and Science Education with Global Implications*(pp. 21-32). Columbus, OH: International Consortium for Research in Science and Mathematics Education. ISBN: 0-9727338-5-X. - Abramovich, S., & Connell, M. L. (2014). Using technology in elementary teacher education: A sociocultural perspective.
*International Scholarly Research Network(ISRN): Education,*Article ID 245146, 9 pages, doi: 10.1155/2014/345146. - Abramovich, S., Easton, J., & Hayes, V. O. (2014). Integrated spreadsheets as learning environments for young children.
*Spreadsheets in Education,*7(2), Article 3.

- Abramovich, S., & Cho, E. (2013). Technology and the creation of challenging problems.
*Mathematics Competitions*, 26(2), 10-20. - Abramovich, S., & Leonov, G. A. (2013). From Pascal’s triangle to a mathematical frontier: Uncovering hidden patterns in the oscillations of generalized golden ratios.
*Open Mathematical Education Notes*, 3: 17-29. - Abramovich, S. (2013). Computers in Mathematics Education: An Introduction.
*Computers in the Schools*, 30(1-2), 4-11. - Abramovich, S. (2013).
*Computers in the Schools*(Guest editor of a special issue: Computers in K-20 Mathematics Education), 30(1-2). - Abramovich, S., Kuznetsov, N., Kuznetzov, S., Leonov, G., Onossovski, V., & Seledzhi, S. (2013). Learning to develop and use software products: Some common aspects of educational preparation of mathematicians and schoolteachers. In H. Keser & M. Haksiz (Eds), AWER
*Procedia Information Technology & Computer Science,*3, pp. 44-52.Available at http://www.world-education-center.org/index.php/P-ITCS/article/view/1724/1520. (Proceedings of the 3rd World Conference on Information Technology-WCIT 2012, Barcelona, Spain). - Pinard, M., & Abramovich, S. (2013). Side by side: Leveraging resources and relationships at one rural university. In Y. Bashevis & Y. Weidenseld (Eds),
*Professional Development: Perspectives, Strategies and Practices*(pp. 117-132). Hauppauge, NY: Nova Science Publishers. ISBN: 978-1-62257-777-4. - Abramovich, S., Kuznetsov, N.V., Kuznetsov, S.V., Kuznetsova O.A., Leonov, G.A., Onossovski, V.V., & Seledzhi, S.M. (2013). Combining academic education with soft skills development: some common aspects of educational preparation of IT professionals and schoolteachers. In P. Dondon (Ed.),
*Recent Advances in Education and Modern Educational Technologies*(pp. 111-117). Proceedings of the 2013 International Conference on Education and Modern Educational Technologies. Venice, Italy: The Editor.

- Abramovich, S. (2012). Counting and reasoning with manipulative materials: A North American perspective. In N. Petrovic (Ed.),
*The Interfaces of Subjects Taught in the Primary Schools and on Possible Models of Integrating Them*(pp. 9-20). The University of Novi Sad Faculty of Education Press: Sombor, Serbia. - Abramovich, S., & Cho, E. (2012). Technology-Enabled Mathematical Problem Posing as Modeling.
*Journal of Mathematical Modelling and Application*, 1(6), 22-32. - Abramovich, S. (Editor). (2012).
*Computers in Education, Volume 1*. Hauppauge, NY: Nova Science Publishers. - Abramovich, S. (Editor). (2012).
*Computers in Education, Volume 2*. Hauppauge, NY: Nova Science Publishers. - Abramovich, S. (2012). Computers and Mathematics Teacher Education. In S. Abramovich (Ed.).
*Computers in Education*,*Volume 2*, Chapter 12 (pp. 213-236). Hauppauge, NY: Nova Science Publishers. - Abramovich, S. (2012). Computing with Spreadsheets in Different Base Systems.
*Spreadsheets in Education*, 5(2), Article 6. - Abramovich, S., Easton, J., and Hayes, V. O. (2012). Parallel Structures of Computer-Assisted Signature Pedagogy: The Case of Integrated Spreadsheets.
*Computers in the Schools*, 29(1-2), 174-190. - Abramovich, S. (2012). Collateral Learning and Mathematical Education of Teachers.
*International Journal of Mathematical Education in Science and Technology,*43(3), 315-336. - Abramovich, S. (2012). Partitions of Integers, Ferrers-Young Diagrams, and Representational Efficacy of Spreadsheet Modeling.
*Spreadsheets in Education*, 5(2), 1-27 - Abramovich, S., and Grinshpan, A. Z. (2012). Bridging K-12 and University Mathematics: Building the Staircase from the Top.
*IMVI Open Mathematical Education Notes*, 2, 1-21.

- Abramovich, S. (2011). Computational Experiment as a Milieu for Collateral Learning in Mathematics Teacher Education. In Chamberlin, S., Hatfield, L. & Belbase, S. (Eds),
*New Perspectives and Directions for Collaborative Research in Mathematics Education: Papers from a Planning Conference for WISDOM^**e*(pp. 98-102). Laramie, WY: University of Wyoming. - Abramovich, S., Kudryashova, E., Leonov, G. A., and Sugden, S. (2011). Discrete Phase-locked Loop Systems and Spreadsheets. In Z. Elhadj (Ed.),
*Models and Applications of Chaos Theory in Modern Sciences*(pp. 405-428). Science Publishers (Taylor & Francis group). ISBN-10: 1578087228. - Abramovich, S. (2011). Computational Problem Solving in Context: From Arithmetic Sequences to Polygonal-like Numbers. In S. Sugden and M. Lau (Eds),Applications of Spreadsheets in Education: The Amazing Power of a SimpleTool (pp. 84-106). Bentham Science Publishers.
- Abramovich, S. (2011).
*Computer-Enabled Mathematics: Integrating Experiment and Theory in Teacher Education*. Hauppauge, NY: Nova Science Publishers. - Abramovich, S., and Leonov, G. A. (2011). A Journey to a Mathematical Frontier with Multiple Computer Tools.
*Technology, Knowledge and Learning (formerly International Journal of Computers for Mathematical Learning)*, 16(1), 87-96. - Abramovich, S. (2011). Geometric Approach to Probability and the STEM Education of Teachers. In D. Berlin and A. White (Eds),
*International Innovations, Research, and Practicies*(pp. 135-149). Columbus, OH: International Consortium for Research in Science and Mathematics Education. - Abramovich, S. (2011). Technology as a Context for Secondary Pre-teacher’s Use of Algebraic Inequalities in a Capstone Course. In M. Koehler & P. Mishra (Eds),
*Proceedings of the Society for Information Technology and Teacher Education 22nd International Conference*(pp. 3945-3952). Chesapeake, VA: AACE. - Abramovich, S. (2011). Number Theory, Dialogue, and the Use of Spreadsheets in Teacher Education.
*Spreadsheets in Education*, 4(3), Article 1: 1-22. - Abramovich, S., and Brouwer, P. (2011). Where Is the Mistake? The Matchstick Problem Revisited.
*PRIMUS - Problems, Resources, and Issues in Mathematics Undergraduate Studie*s, 21(1), 11-25.

- Abramovich, S. (2010).
*Topics in Mathematics for Elementary Teachers: A Technology-Enhanced Experiential Approach*. Charlotte, NC: Information Age Publishing, Inc. (Review by David Fowler.) - Abramovich, S., and Leonov, G. A. (2010). Permutations with Rises as Characteristics of Cycles Formed by Generalized Golden Ratios: A Semi-Experimental Approach.
*International Journal of Pure and Applied Mathematics*, 65(4), 479-488. - Abramovich, S. (2010). Extending Fibonacci Numbers to Negative Subscripts through Problem Solving.
*International Journal of Mathematical Education in Science and Technology*, 41(6), 836-842. - Cho, E., and Abramovich, S. (2010). Condition of Education in Korea:The Early Study-Abroad Boom and the Goose Family Phenomenon. In H. S. Nakamura (Ed.),
*Education in Asia*(Chapter 2, pp. 22-41). Hauppauge, NY: Nova Science Publishers. - Abramovich, S. (2010). Modeling as Isomorphism: The Case of Teacher Education. In R. Lesh, P. L. Galbraith, C. R. Haines, A. Hurford (Eds), Modeling Students' Mathematical Modeling Competencies: ICTMA 13 (pp. 501-510). New York: Springer.
- Abramovich, S., and Brouwer, P. (2010). Developing Mathematical Understanding Using The Geometer’s Sketchpad.
*New York State Mathematics Teachers’ Journal*, 60(1), 24-28. - Abramovich, S., Nikitina, G., and Romanenko, V. (2010). Spreadsheets and the Development of Skills in the STEM Disciplines.
*Spreadsheets in Education*, 3(3), Article 5: 1-20. - Abramovich, S. (2010). Integrating Historical Perspectives and Digital Technology in Mathematics Teacher Education In D. Berlin and A. White (Eds),
*Promising Practices to Meet Global Challenges in Science and Mathematics Education*(pp. 139-153). Columbus, OH: International Consortium on Research in Science and Mathematics Education.

- Abramovich, S., and Lyandres, V. (2009). Encouraging Interest of K-12 Students and Teachers in the STEM Disciplines: An Example.
*International Journal of Experimental Education*, 2, pp. 13-20. - Abramovich, S., and Leonov, G. A. (2009). Spreadsheets and the Discovery of New Knowledge.
*Spreadsheets in Education*, 3(2), Article 1: 1-42. - Abramovich, S., and Leonov, G. A. (2009). Fibonacci-like Polynomials: Computational Experiments, Proofs, and Conjectures.
*International Journal of Pure and Applied Mathematics*, 53(4), pp. 489-496. - Abramovich, S., and Brouwer, P. (2009). Evolving Polygons Revisited: Inequalities and Computer Graphing .
*Journal of Computers in Mathematics and Science Teaching*, 28(4), pp. 345-358. - Abramovich, S., and Brouwer, P. (2009). Evolving Polygons and Spreadsheets: Connecting Mathematics Across Grade Levels in Teacher Education.
*Journal of Computers in Mathematics and Science Teaching*, 28(3), 209-220. - Abramovich, S,. and Cho, E. (2009). Mathematics, Computers, and Young Children as a Research-Oriented Learning Environment for a Teacher Candidate.
*Asia Pacific Education Review*, 10(2), 247-259. - Abramovich, S. (2009). Hidden Mathematics Curriculum of Teacher Education: An Example.
*PRIMUS*-*Problems, Resources, and Issues in Mathematics Undergraduate Studies*, 19(1), pp. 39-56.

- Abramovich, S., and Brouwer, P. (2008). Task Stream as a Web 2.0 Tool for Interactive Communication in Teacher Education.
*International Journal of Technology in Teaching and Learning*, 4(2), pp. 97-108. - Abramovich, S., and Leonov, G. A. (2008). Fibonacci Numbers Revisited: Technology-Motivated Inquiry into a Two-Parametric Difference Equation.
*International Journal of Mathematical Education in Science and Technology*, 39(6), pp. 749-766. - Abramovich, S., and Cho, E. (2008). On Mathematical Problem Posing by Elementary Pre-teachers: The Case of Spreadsheets.
*Spreadsheets in Education*, 3(1), pp. 1-19. - Abramovich, S., and Brouwer, P. (2008). Exploring Topics within the Mathematics Teacher Education Curriculum through the Use of Technology. In J. Foster (Ed.),
*Proccedings of the Nineteenth Annual International Conference on Technology in Collegiate Mathematics*(pp. 6-10). Pearson Education, Inc. ISBN 0-321-55846-4. Available at http://archives.math.utk.edu/ICTCM/v19.html. - Abramovich, S., and Grinshpan, A. Z. (2008). Teaching Mathematics to Non-Mathematics Majors Through Applications.
*PRIMUS - Problems, Resources, and Issues in Mathematics Undergraduate Studies*, 18(5), 411-428. - Abramovich, S. and Sugden, S. (2008). Diophantine Equations as a Context for Technology-enhanced Training in Conjecturing and Proving.
*PRIMUS**- Problems, Resources, and Issues in Mathematics Undergraduate Studies*, 18(3), pp. 257-275. - Abramovich, S. and Sugden, S. (2008). Revisiting Polya's Summation Techniques Using a Spreadsheet: From Addition Tables to Bernoulli Polynomials.
*Spreadsheets in Education*, 2(3), pp. 299-315. - Abramovich, S. (2008). Preparing Teachers to Use Technology in the Elementary Mathematics Classroom. In R. L. Badger (Ed.),
*Ideas that Work in College Teaching*. Albany, NY: SUNY Press.**2007**

- Abramovich, S. (2007). Using Inequalities as a Modeling Experience for Pre-Teachers of Mathematics: The Case of Spreadsheets. In D. F. Berlin & A. L. White (Eds),
*Global Issues, Challenges, and Opportunities to Advance Science and Mathematics Education*(pp. 305-320). Columbus, OH: International Consortium for Research in Science and Mathematics Education. - Abramovich, S. and Brouwer, P. (2007).How to Show One-fourth? Uncovering Hidden Context Through Reciprocal Learning.
*International Journal of Mathematical Education in Science and Technology*, 38(6), 779-795. - Abramovich, S. and Ehrlich, A. (2007). Computer as a Medium for Overcoming Misconceptions in Solving Inequalities.
*Journal of Computers in Mathematics and Science Teaching,*26(3), 181-196. - Abramovich, S. (2007). Uncovering Hidden Mathematics of the Multiplication Table Using Spreadsheets.
*Spreadsheets in Education*, 2(2), 158-176. - Abramovich, S. (2007). Inequalities as Modeling Tools in Computing. In C. Haines, P. Galbraith, W. Blum and S. Khan (Eds),
*Mathematical Modelling (ICTMA 12): Education, Engineering and Economics*, pp. 294-302. Chichester: Horwood Publishing. - Abramovich, S. (2007). Modeling as Isomorphism: Using New Technologies in Mathematics Teacher Education. In Electronic Proceedings of the 13th International Conference on Teaching Mathematical Modeling and Applications. Available: http://site.educ.indiana.edu/Portals/161/Public/Abramovich.pdf
- Abramovich, S. and Cho, E. (2007). Using Spreadsheets as Problem-Posing Environments in Elementary Teacher Education. In J. Foster (Ed.),
*Proceedings of the 18th International Conference on Technology in Collegiate Mathematics,*pp. 6-10. Addison-Wesley. - Abramovich, S., Cho, E., and Coffin Dodge, C. (2007). Professional Development School as a Venue for Integrating Technology in Teacher Education. In R.
Carlsen, K. McFerrin, J. Price, R. Weber, and D.A. Willis (Eds.),
*Society for Information Technology and Teacher Education International Conference Annual*, (pp. 3211-3216). Norfolk, VA: AACE. - Abramovich, S. and Cho, E. (2007). Didactical Aspects of Using Technology for Problem Posing in Mathematics Teacher Education. In R. Carlsen, K. McFerrin, J. Price, R. Weber, and D.A. Willis (Eds.),
*Society for Information Technology and Teacher Education International Conference Annual*, (pp. 3208-3210). Norfolk, VA: AACE. - Abramovich, S. and Cho, E. (2007). On the Notion of Coherence in Technology-Enabled Problem Posing. In J. H. Woo, H. C. Lew, K. S. Park & D. Y. Seo (Eds.),
*Proceedings of the 31st Conference of the International Group for the Psychology of Mathematics Education*, v. 1, p. 193. Seoul: The Korea Society of Educational Studies in Mathematics. - Abramovich, S., Cho, E., and Coffin Dodge, C. (2007). Pre-Service Teacher Development Through Technology Integration in Early Grades Mathematics. In J. H. Woo, H. C. Lew, K. S. Park & D. Y. Seo (Eds.),
*Proceedings of the 31st Conference of the International Group for the Psychology of Mathematics Education*, v. 1, p. 302. Seoul: The Korea Society of Educational Studies in Mathematics.

- Abramovich, S. (2006). Spreadsheet Modelling as a Didactical Framework for Inequality-based Reduction.
*International Journal of Mathematical Education in Science and Technology,*37(5)*,*527-541. - Abramovich, S. and Brouwer, P. (2006). Hidden Mathematics Curriculum: A Positive Learning Framework.
*For the Learning of Mathematics*, 26(1), 12-16, 25. - Abramovich, S. and Cho, E. (2006). Developing Elementary Pre-teachers’ Problem Formulating Skills in Mathematics Using Technology. In E. Pearson and P. Bohman (Eds),
*Proceedings of ED-MEDIA 2006: World Conference on Educational Multimedia, Hypermedia & Telecommunications*(pp. 3069-3101). Norfolk, VA: AACE. - Abramovich, S. and Cho, E. (2006). Technology as a Medium for Elementary Pre-teachers’ Problem Posing Experience in Mathematics.
*Journal of Computers in Mathematics and Science Teaching*, 25(4), 309-323. - Abramovich, S. and Brouwer, P. (2006). Partition of Integers and Their Reciprocals as Hidden K-12 Mathematics Curriculum. In P. Liljedahl (ed.), Proceedings of the 2005 Meeting of Canadian Mathematics Education Study Group (pp. 69-74). Burnaby, BC: CMESG/GCEDM.
- Abramovich, S. and Norton, A. (2006). Equations with Parameters: A Locus Approach.
*Journal of Computers in Mathematics and Science Teaching,*25(1), 5-28.

- Abramovich, S. (2005). Early Algebra with Graphics Software as a Type II Application of Technology. In C.D. Maddux and D.L. Johnson (Eds),
*Classroom Integration of Type II Uses of Technology in Education*. NY: The Haworth Press. - Abramovich, S., Kudryashova, E., Leonov, G., and Sugden, S. (2005). Discrete Phase-Locked Loop Systems and Spreadsheets.
*Spreadsheets in Education*, 2(1), 23-49. - Abramovich, S. (2005). Early Algebra with Graphics Software as a Type II Application of Technology.
*Computers in the Schools*, 22(3/4), 21-33. - Abramovich, S. (2005). Inequalities and Spreadsheet Modeling.
*Spreadsheets in Education,*2(1), 1-22. - Abramovich, S. (2005). Preparing Teachers to Use Technology in the Elementary Mathematics Classroom. In R. Badger (Ed.),
*Ideas that Work in College Teaching*. LTEC: SUNY Potsdam Press. - Abramovich, S. and Sugden, S. (2005). Spreadsheets in Education: A Peer-reviewed Medium for Active Learning. In P. Kommers and G. Richards (Eds),
*Proceedings of ED-MEDIA 2005 – World Conference on Educational Multimedia, Hypermedia and Communications*(pp. 4542-4547). Norfolk, VA: AACE. - Abramovich, S. (2005). How to 'Check the Result'? Discourse Revisited.
*International Journal of Mathematical Education in Science and Technology*, 36(4), 414-423.

- Brantlinger, A., and Abramovich, S. (2004). From Pythagoras to Pick Using Technology: Excerpts from a Mathematics Teacher Education Course. In C. Mansfield (Ed.),
*Proceedings of the 16th Annual International Conference of Technology in Collegiate Mathematics*. Addison-Wesley. - Abramovich, S. and Brouwer, P. (2004). Hidden
Mathematics Curriculum and Technology in K-12 Teacher Education (2004). In D. E. Mc Dougall and J. A. Ross (Eds),
*Proceedings of the 26th Annual Meeting of North American Chapter of the International Group for the Psychology of Mathematics Education*(v. 3, pp. 1191-1199). Toronto: Ontario Institute for Studies in Education. - Abramovich, S. and Brouwer, P. (2004). Developing Technology-Mediated Entries into Hidden Mathematics Curriculum as a Vehicle for 'Good Learning' by Elementary Pre-teachers.
*Journal of Computers in Mathematics and Science Teaching,*23(3), 297-320. - Abramovich, S. and Brantlinger, A. (2004). Technology-Motivated Teaching of Topics in Number Theory through a Tool Kit Approach.
*International Journal of Mathematical Education in Science and Technology*, 35(3), pp. 317-333. - Abramovich, S. and Sugden, S. (2004). Spreadsheet Conditional Formatting: An
Untapped Resource for Mathematics Education.
*Spreadsheets in Education*, 1(2), pp. 85-105. - Biehler, R., Kissane, B., Abramovich, S., Ali, R., Machida, S., Yanagimoto, T., & Alsina, C. (2004). WGA 11: The Use of Technology in Mathematics Education (Computers, Calculators, and IT Media). In Fujita, H., Hashimoto, Y., Hodgson, B. R., Lee, P. E., Lerman, S, and Sawada, T., Proceedings of the Ninth International Congress on Mathematical Education, pp. 272-277. Springer: The Netherland.

- Abramovich, S. (2003). Spreadsheet-Enhanced Problem Solving in Context as Modeling.
*Spreadsheets in Education*, 1(1), pp. 1-17. - Abramovich, S. and Brouwer, P. (2003). Technology
and Hidden Curriculum in Mathematics Teacher Education. In C.
Crawford, N. Davis, J. Price, R. Weber, and D.A. Willis (Eds),
*Society for Information Technology and Teacher Education International Conference Annual*, (pp. 2843-2848). Norfolk, VA: AACE. - Abramovich, S. and Brouwer, P. (2003). Revealing Hidden Mathematics Curriculum to Pre-Teachers Using Technology: The Case of Partitions.
*International Journal of Mathematical Education in Science and Technology*, 34(1), pp. 81-94. - Abramovich, S. (2003). Cognitive
Heterogeneity in Computer-Mediated Mathematical Action as a Vehicle for
Concept Development.
*Journal of Computers in Mathematics and Science Teaching,*22(1), pp.19-41. - Abramovich, S. and Brantlinger, A. (2003). Linking Numeric and Geometric Representations of Number Theory Concepts in a Spreadsheet Environment. In G. Goodell (Ed.),
*Proceedings of the 15th Annual International Conference of Technology in Collegiate Mathematics*(pp. 1-5). Addison-Wesley.

- Abramovich, S., Nikitina, G., and Romanenko, V. (2002). Developing
Practical Competence of Future Engineers within a Theory-oriented
Curriculum at the Tertiary Level. (2002).
*Herald of Education and Science Development of Russian Academy of Natural Sciences*(special issue in English), 4, pp. 24-30. - Abramovich, S., Stanton, M., and Baer, E. (2002). What
are Billy's chances? Computer spreadsheet as a learning tool for younger
children and their teachers alike.
*Journal of Computers in Mathematics and Science Teaching*, 21 (2), pp. 127-145. - Abramovich, S. and Strock, T. (2002). Measurement Model for Division as a Tool in Computing Applications. (2002).
*International Journal of Mathematical Education in Science and Technology*, 33 (2), pp. 171-185. (Co-author T. Strock). - Abramovich, S. (2002). Tool-Mediated Pedagogy of Elementary Teacher Education. In D.S.Mewborn, P.Sztajn, D.Y.White, H.G.Wiegel, R.L.Bryant, K.Nooney (Eds),
*Proceedings of the 24th Annual Meeting of North American Chapter of the International Group for the Psychology of Mathematics Education*, vol. 3., p. 1234. Columbus, OH: Clearinghouse for science, mathematics, and environmental education. - Abramovich, S. and Norton, A. (2002). Computer-Based Graphing Calculator as a Tool for Secondary Teachers' Re-conceptualization of Topics in Pre-Calculus (2002). In G. Goodell (Ed.),
*Proceedings of the 14th Annual International Conference on Technology in Collegiate Mathematics*, pp. 1-5. Addison Wesley.

- Abramovich, S. (2001). Cultural
Tools and Mathematics Teacher Education. In F. R. Curcio
(Ed.),
*Proceedings of the Third U.S.-Russia Joint Conference on Mathematics Education and the Mathematics Education Seminar at the University of Goteborg*(pp. 61-67). Spokane, WA: People to People Ambassador Programs. - Norton, A., and Abramovich, S. (2001). Bridging
Transformational Geometry and Matrix Algebra.
*Proceedings of the 12th Annual Conference of the Society for Information Technology and Teacher Education*, pp. 1379-1385.

- Abramovich, S. and Norton, A. (2000). Technology-Enabled
Pedagogy as an Informal Link Between Finite and Infinite Concepts in
Secondary Mathematics.
*The Mathematics Educator*, 10(2), pp. 36-41. - Abramovich, S. (2000). Mathematical
Concepts as Emerging Tools in Computing Applications.
*Journal of Computers in Mathematics and Science Teaching*, 19(1), pp. 21-46.

- Abramovich, S., Brantlinger, A., and Norton, A. (1999). Exploring
Quadratic-like Sequences through a Tool Kit Approach. In G. Goodell
(Ed.),
*Proceedings of the 11th Annual International Conference on Technology in Collegiate Mathematics*. Addison Welsey. - Abramovich, S. and Brown, G. (1999). From
Measuring to Formal Demonstration Using Interactive Computational
Geoboards and Recurrent Electronic Charts.
*Journal of Computers in Mathematics and Science Teaching*, 18(2), pp. 105-134. - Connell, M. and Abramovich, S. (1999). New
Tools for New Thoughts: Effects of Changing the
"Tools-to-Think-With" on the Elementary Mathematics Methods
Course. In J. D. Price, J. Willis, D.A. Willis, M. Jost, S.
Boger-Mehall (Eds),
*Technology and Teacher Education Annual*, 1999, pp. 1052-1057. Charlottesville, VA: AACE. - Abramovich, S. and Drier, H. (1999). Preparing
K-12 Mathematics Teachers to Use a Spreadsheet as an Instructional Tool. In J. D. Price, J. Willis, D.A. Willis, M. Jost, S. Boger-Mehall
(Eds),
*Technology and Teacher Education Annual*, 1999, pp. 950-954. Charlottesville, VA: AACE. - Abramovich, S., Drier, H.,
Dugdale, Mochon, S., Neuwirth, E., and Woodward, J. (1999). Spreadsheets:
A New Form of Educational Software for School Mathematics? In D.
Thomas (Ed.),
*Proceedings of the International Conference on Mathematics/Science Education and Technology*, pp. 390-395. Charlottesville, VA: AACE. - Abramovich, S. and Brantlinger, A. (1999). Spreadsheet-Based
Tool Kit for Modeling Concepts in Elementary Number Theory. In H.
Skala (Ed.),
*Proceedings of the Third Biennial Symposium on Mathematical Modeling in the Undergraduate Curriculum*, pp. 28-38. University of Wisconsin, La Crosse. - Abramovich, S. (1999). Revisiting
an Ancient Problem Through Contemporary Discourse.
*School Science and Mathematics*, 99(3), pp. 148-155.

- Abramovich, S. (1998). Analysis
of a Computer-Mediated Dialogic Discourse on an Open Ended Task. In
S. Berenson, K. Dawkins, M. Blanton, W. Coulombe, J. Kolb, K. Norwood,
& L. Stiff (Eds).
*Proceedings of the 20th Annual Meeting of PME-NA*, v. 1, p. 249. Columbus, OH: Clearinghouse for science, mathematics, and environmental education. - Abramovich, S. (1998). Educational
Technology for Number Theory: Overcoming Economic Constraints with
Spreadsheets. In G. Goodell (Ed.),
*Proceedings of the 10th Annual International Conference on Technology in Collegiate Mathematics*, pp. 6-10. Addison Welsey. - Abramovich, S. (1998). Manipulative
and Numerical Spreadsheet Templates for the Study of Discrete Structures.
*International Journal of Mathematical Education in Science and Technology*, 29 (2), pp. 233-252. - Abramovich, S. and Nabors, W. (1998). Enactive
Approach to Word Problems in a Computer Environment Enhances Mathematical
Learning for Teachers.
*Journal of Computers in Mathematics and Science Teaching*, 17(2/3). - Abramovich, S. and Brantlinger, A. (1998). Tool
Kit Approach to Using Spreadsheets in Secondary Mathematics Teacher
Education. In S. McNeil, J.D. Price, S. Boger-Mehall, B. Robin, J.
Willis (Eds)
*Technology and Teacher Education Annual*, 1998 .Charlottesville, VA: AACE. (Co-author A.).

- Abramovich, S. and Stephens, G. (1997). Generating
Meaning Beyond "Right-Wrong" Evaluations in an Interactive
Manipulative Environment. In J.A. Dossey, J.O. Swafford, M.
Parmantie, & A.E. Dossey (Eds.)
*Proceedings of the 19th annual meeting of PME-NA*, vol. 2. Columbus, OH: The ERIC Clearinghouse. - Abramovich, S. (1997). Using
Spreadsheets for Educational 'Quasi-Experiments' in Additive Number Theory. In G. Goodell (Ed.)
*Proceedings of the 9th Annual International Conference on Technology in Collegiate Mathematics*. Addison Welsey. - Abramovich, S. and Nabors, W. (1997). Spreadsheets
as Generators of New Meanings in Middle School Algebra. In
D. L. Johnson, C. D. Maddux & L. Liu (Eds),
*Using technology in the classroom*(pp. 13-25). New York: The Haworth Press. - Abramovich, S. and Nabors, W. (1997). Alternative
Learning Environments for Algebra. In M.C. Borba, T.A.Souza, B.
Hudson, J.Fey (eds.) The Role of Technology in the Mathematics Classroom.
*Proceedings of Working Group 16 at the 8th International Congress on Mathematics Education*, pp. 39-52. Rio Claro: UNESP - State University of Sao Paulo. - Abramovich, S. and Nabors, W. (1997). Spreadsheets
as Generators of New Meanings in Middle School Algebra.
*Computers in the Schools*13(1, 2), 13-25. Special issue on integrating technology into the classroom.

- Abramovich, S. and Brown, G. (1996). Integrating
Problem Solving, Technology, and the Experience of Mathematical Discovery
in Teacher Education (1996).
*Journal of Computers in Mathematics and Science Teaching*, 15(4), pp. 287-302. - Abramovich, S. (1996). Exploring
Prime Numbers within a Spreadsheet (1996).
*International Journal of Mathematical Education in Science and Technology*27(5), p. 639-645. - Abramovich, S. and Nabors, W. (1996). Enactive
Environments for Problem Solving: Manipulatives Versus Equations (1996).
In E. Jakubowski, D. Watkins, & H. Biske (Eds.)
*Proceedings of the 18th annual meeting of PME-NA*, vol. 2. Columbus, OH: The ERIC Clearinghouse. - Abramovich, S. and Nabors, W. (1996). Diagrammatic
Reasoning, Technology and Geometrization of Proof in Secondary Mathematics. In E. Jakubowski, D. Watkins, & H. Biske (Eds.)
*Proceedings of the 18th annual meeting of PME-NA*, vol. 2. Columbus, OH: The ERIC Clearinghouse. - Abramovich, S. (1996).Exploring
Infinite Series Through Interactive Dynamic Visualization (1996). In G.
Goodell (Ed.)
*Proceedings of the 8th Annual International Conference on Technology in Collegiate Mathematics*. Addison Welsey. - Abramovich, S. and Pieper, A. (1996). Fostering
Recursive Thinking in Combinatorics Through the Use of Manipulatives and
Computing Technology.
*The Mathematics Educator*, 7(1), pp. 4-12. - Abramovich, S. and Nabors, W. (1996). Exploring
Algebraic Word Problems Through Computer-Based Manipulatives and Diverse
Technology. In B. Robin, J.D. Price, J. Willis, & D.A. Willis
(Eds.),
*Technology and Teacher Education Annual*, 1996 (pp. 235-239). Charlottesville, VA: AACE.

- Abramovich, S. and Zheng, T. (1995). Different
Perspectives on Using Technology in Mathematics Teaching: The Case of
Cubed Digits Problem.
*Proceedings of the 1st Asian Technology Conference in Mathematics*, pp. 272-281. - Abramovich, S. (1995). Dynamic
Media for the Determination of Prime Numbers.
*Proceedings of the 7th Annual International Conference on Technology in Collegiate Mathematics*. Addison Wesley. - Abramovich, S. (1995). Bridging
Manipulative-Exploratory Play and the Development of Mathematical Concepts
in a Technology-Rich Environment. In D.T. Owens, M.K.Reed, &
G.M.Millsaps (Eds.),
*Proceedings of the 17th annual meeting of PME-NA*, vol. 1. Columbus, OH: The ERIC Clearinghouse. - Abramovich, S. and Brown, G. (1995). Interweaving
Geometry of Lattice Polygons and Discrete Mathematics Concepts in a
Technology-Rich Environment. In C. Mammana (Ed.),
*ICMI Study: Perspectives on the Teaching of Geometry for the 21st Century*. ITALY: University of Catania. - Abramovich, S., Fujii, T., and Wilson, J. (1995). Multiple-Application
Medium for the Study of Polygonal Numbers.
*Journal of Computers in Mathematics and Science Teaching*, 14(4), 521-557. - Abramovich, S. (1995).Technology
for Deciding the Convergence of Series.
*The Special 25th Anniversary Issue of the International Journal of Mathematical Education in Science and Technology*, 26(3), 347-366 - Abramovich, S. and Brown, G. (1995). Teaching
Mathematics through Spreadsheet-Oriented Problem Solving.
*The Mathematics Educator*, 6(2), 34-40. - Abramovich, S. (1995). Technology-Motivated
Teaching of Advanced Topics in Discrete Mathematics
*Journal of Computers in Mathematics and Science Teaching*,14(3), 391-418.

- Abramovich, S. (1994). Technology
and Teacher Education: Relation Grapher as a Tool for Solving Equations.
*Proceedings of the EMT: 30 Years of Excellence Conference*. Athens, GA: The University of Georgia. - Abramovich, S., Fujii, T., and Wilson, J. (1994). Exploring
and Visualizing Properties of Polygonal Numbers in a Multiple-Application
Computer-Enhanced Environment. In G.H.Marks (Ed.),
*Proceedings of the 1994 International Symposium on Mathematics/Science Education and Technology*, San Diego, CA. Charlottesville, VA: AACE. - Abramovich, S. and Levin, I. (1994). Spreadsheets
in Teaching and Learning Topics in Calculus.
*International Journal of Mathematical Education in Science and Technology*, 25(2), 263-275. - Abramovich, S. and Levin, I. (1994). Microcomputer-Based
Discovering and Testing of Combinatorial Identities.
*Journal of Computers in Mathematics and Science Teaching*, 13(2), 223-246. - Levin, I. and Abramovich, S. (1992). Solving
Equations Within Spreadsheet.
*Journal of Computers in Mathematics and Science Teaching*, 11 (3/4), 337-345.__Before 1989__ - Abramovich, S. (1989). Fostering
Students' Skills in Plotting Graphs. In Russian.
*Matematica v Shkole*, 5. - Abramovich, S. (1987). Application
of Absolute Stability Theory to Nonlinear Problems of Seismic Resistance
Civil Engineering. In Russian.
*Modelirovanie konstruktivnykh sistem zdanii*. St Petersburg Institute for Experimental Construction in Civil Engineering Press. - Abramovich, S., Leonov, G., and Antonov, P. (1986). Recurrent
Procedures for Building Shaped Curves and Evaluating the Stability of
Processes of Capillary Formation. In Russian.
*Isvestia Acad. Nauk SSSR*, serija fisicheskaja, 50 (5), 1033-1036. English translation:*Bulletin of the Academy of Sciences of the USSR. Physical Series*. - Abramovich, S., Leonov, G., and Antonov, P. (1985).
*Algorithm of Profile Curves Determination with the Use of Comparison Equations*. In Russian. Preprint #934. Ioffe Physico-Technicheskii Inst. Acad. Nauk SSSR. - Leonov, G., Abramovich, S., and Bunin, A. (1985). On the
Global Stability of the Lorenz System of Equations. In Russian.
*Problemi nelineinykh i turbulentnykh processov v fisike*. Kiev: Naukova Dumka Press. - Leonov, G., Abramovich, S., and Bunin, A. (1984). Global
Stability of the Lorenz System. In R. Z. Sagdeev (ed.),
*Nonlinear and turbulent processes in Physics*, v.3: Integrable Systems, Qualitative Methods and Problems in Stochasticity. New York: Harwood Academic Publishers. - Abramovich, S. and Leonov, G. (1984). Extension
of Tricomi's Estimates for Multidimensional Electrical Power Engineering
Systems of Synchronization. In Russian.
*Problemi nelineinoi electrotekhniki*. Kiev: Naukova Dumka Press. - Abramovich, S. and Leonov, G. (1984). A
Frequency-Domain Criterion of the Jakubovich Oscillations for Non-Autonomous
Systems of Differential Equations. In Russian.
*Differencialnie i integralnie uravnenia*. N. Novgorod University Press. - Abramovich, S. (1983). Asymptotic Behavior of Separatrix of the Second Order Systems with Cylindrical Phase Space. In Russian. 8p. Ruk. dep. v VINITY, #4887-83 Dep.
- Abramovich, S. and Leonov, G. (1980). One
Type of Stability for Phase Systems.
*Differential Equations Journal*. (Short Transactions). 16 (5). - Abramovich, S. (1979). Bakaev
Stability for Phase Systems. In Russian.
*Voprosi vektornoi i skaljarnoi optimizatsii*. Vladivostok: Far East Dept. of Acad. Sc. USSR Press. - Leonov, G., Abramovich, S., et al. (1979). The
Method of Reduction in the Theory of Dynamic Systems with Cylindrical
Phase Space and its Application to Investigation of Stability of
Electrical Power Engineering Systems.
*Stability Theory and its Applications*. In Russian. Novosibirsk: Nauka Press. - Abramovich, S. (1978). A
Local Property of Observable Systems. In Russian.
*Problemi sovremennoi teorii periodicheskikh dvigenii*. Izhevsk: Izhevsk University Press. - Abramovich, S. and Leonov, G. (1978). Capture
Bandwidth Approximation in Phase-Lock Loop Systems.
*Radio Engineering and Electronic Physics*. 23 (10). - Abramovich, S. (1977). Asymptotic
Behavior of One Non-Autonomous System of Differential Equations.
In Russian.
*Izvestija Acad. Nauk Kaz. SSR*, serija phisiko-matematicheskaja, # 1. - Abramovich, S. (1977). Separatrix
Location in a Two-Dimensional Dynamic System. In Russian.
*Problemi sovremennoi teorii periodicheskikh dvigenii*. Izhevsk: Izhevsk University Press. - Abramovich, S., Leonov, G., Koriakin, Yu., and
Reitmann, V. (1976). Frequenzbedingungen fur Schwingungen in Discreten Systemen. II. In German.
*Wiss. Z. Techn. Univer. Dresden*, 26 (1). - Abramovich, S., Leonov, G., Koriakin, Yu., and
Reitmann, V. (1975). Frequenzbedingungen
fur Schwingungen in Discreten Systemen. I. In German.
*Wiss. Z. Techn. Univer. Dresden*, 25 (5/6). - Abramovich, S. and Leonov, G.(1975).
*About One Type of Auto Oscillations in Non-Autonomous Systems*. In Russian. VINITI, #1987-75 Dep., 12p. - Abramovich, S. (1975). Stability
in the Whole of a Control System. In Russian.
*Metodi i modeli upravlenija*. 9. Riga: Riga Polytechnic Institute Press. - Abramovich, S. (1974). Boundedness
of a Solution to a System of Differential Equations. In Russian.
*Upravlenie i informazija*. 25. Vladivostok: Far East ern Branch of Acad. Sc. USSR Press. - Abramovich, S. and Leonov, G. (1974). Stability
in the Whole of a Dissipating System.
*Differential Equations Journal*. (Short Transactions). 10 (11). - Abramovich, S. and Leonov, G. (1974). About
Estimates of a Solution of a Variational Problem from the Theory of Phase
Systems. In Russian.
*Nauchnie trudi Kurskogo Pedagogicheskogo Instituta*. 27 (120). - Abramovich, S. and Leonov, G. (1972). Geometric
Interpretation of The Circle Criterion in the Case of Two Nonlinear
Blocks. In Russian.
*Metodi i modeli upravlenija*. #4. Riga: Riga Polytechnic Institute Press.