| Theory of uniform approximation of functions by polynomials VK Dzyadyk, IA Shevchuk Walter de Gruyter, 2008 | 177 | 2008 |
| Приближение многочленами и следы непрерывных на отрезке функций ИА Шевчук Наукова думка, 1992 | 130* | 1992 |
| Uniform and pointwise shape preserving approximation by algebraic polynomials KA Kopotun, D Leviatan, A Prymak, IA Shevchuk arXiv preprint arXiv:1109.0968, 2011 | 48 | 2011 |
| Piecewise monotone pointwise approximation GA Dzyubenko, J Gilewicz, IA Shevchuk Constructive approximation 14, 311-348, 1998 | 44 | 1998 |
| Interpolatory pointwise estimates for polynomial approximation HH Gonska, D Leviatan, IA Shevchuk, H -J. Wenz Constructive approximation 16 (4), 603-629, 2000 | 37 | 2000 |
| The degree of coconvex polynomial approximation K Kopotun, D Leviatan, I Shevchuk Proceedings of the American Mathematical Society 127 (2), 409-415, 1999 | 33 | 1999 |
| Coconvex approximation D Leviatan, IA Shevchuk Journal of Approximation Theory 118 (1), 20-65, 2002 | 32 | 2002 |
| Nearly comonotone approximation D Leviatan, IA Shevchuk Journal of approximation theory 95 (1), 53-81, 1998 | 31 | 1998 |
| Some positive results and counterexamples in comonotone approximation, II D Leviatan, IA Shevchuk Journal of approximation theory 100 (1), 113-143, 1999 | 29 | 1999 |
| Boundedness by 3 of the Whitney interpolation constant J Gilewicz, YV Kryakin, IA Shevchuk Journal of Approximation Theory 119 (2), 271-290, 2002 | 28 | 2002 |
| Comonotone approximation J Gilewicz, IA Shevchuk Fundamentalnaya i prikladnaya matematika 2 (2), 319-363, 1996 | 27 | 1996 |
| New moduli of smoothness: weighted DT moduli revisited and applied KA Kopotun, D Leviatan, IA Shevchuk Constructive Approximation 42, 129-159, 2015 | 24 | 2015 |
| Convex polynomial approximation in the uniform norm: conclusion KA Kopotun, D Leviatan, IA Shevchuk Canadian Journal of Mathematics 57 (6), 1224-1248, 2005 | 24 | 2005 |
| Approximation of monotone functions: a counter example RA DeVore, D Leviatan, IA Shevchuk Curves and Surfaces with Applications in CAGD, Proceedings of the Chamonix …, 1996 | 23 | 1996 |
| On co-approximation of monotone functions IA Shevchuk Doklady Akademii Nauk 308 (3), 537-541, 1989 | 22 | 1989 |
| Coconvex polynomial approximation D Leviatan, IA Shevchuk Journal of Approximation Theory 121 (1), 100-118, 2003 | 21 | 2003 |
| Some positive results and counterexamples in comonotone approximation D Leviatan, IA Shevchuk journal of approximation theory 89 (2), 195-206, 1997 | 21 | 1997 |
| Approximation of monotone functions by monotone polynomials IA Shevchuk Matematicheskii Sbornik 183 (5), 63-78, 1992 | 21 | 1992 |
| On weighted approximation with Jacobi weights KA Kopotun, D Leviatan, IA Shevchuk Journal of Approximation Theory 237, 96-112, 2019 | 16 | 2019 |
| New moduli of smoothness KA Kopotun, D Leviatan, IA Shevchuk arXiv preprint arXiv:1408.2018, 2014 | 16 | 2014 |
German DzyubenkoInstitute of Mathematics of NAS of UkraineПідтверджена електронна адреса в imath.kiev.ua
