Exact constants in direct and inverse approximation theorems for functions of several variables in the spaces Sp FG Abdullayev, P Özkartepe, VV Savchuk, AL Shidlich Filomat 33 (5), 1471-1484, 2019 | 17 | 2019 |
Approximation of functions of several variables by linear methods in the space Sp VV Savchuk, AL Shidlich Acta Scientiarum Mathematicarum 80, 477-489, 2014 | 15 | 2014 |
Approximation of analytic functions by de la Vallee Poussin sums VV Savchuk, MV Savchuk, SO Chaichenko Mat. Stud 34 (2), 207-219, 2010 | 14 | 2010 |
Best linear methods of approximation and optimal orthonormal systems of the Hardy space. VV Savchuk Ukrainian Mathematical Journal 60 (5), 2008 | 10 | 2008 |
Approximation of holomorphic functions by Taylor-Abel-Poisson means VV Savchuk Ukrainian Mathematical Journal 59, 1397-1407, 2007 | 9 | 2007 |
Best approximation by holomorphic functions. Application to the best polynomial approximation of classes of holomorphic functions VV Savchuk Ukrainian Mathematical Journal 59 (8), 1163-1183, 2007 | 9 | 2007 |
Наближення голоморфних функцій середніми Тейлора-Абеля-Пуассона ВВ Савчук Український математичний журнал, 2007 | 8 | 2007 |
Approximation theorems for multivariate Taylor-Abel-Poisson means J Prestin, V Savchuk, A Shidlich arXiv preprint arXiv:1901.06275, 2019 | 7 | 2019 |
Best approximations for the Cauchy kernel on the real axis VM Savchuk, SO Chaichenko Ukrainian Mathematical Journal 66, 1731-1741, 2015 | 7 | 2015 |
Approximation of Cauchy-type integrals OI Stepanets', VV Savchuk Ukrainian Mathematical Journal 54 (5), 869-911, 2002 | 7 | 2002 |
Direct and Inverse Theorems on the Approximation of 2π-Periodic Functions by Taylor-Abel-Poisson Operators. J Prestin, V Savchuk, A Shidlich Ukrainian Mathematical Journal 69 (5), 2017 | 6 | 2017 |
Approximation of classes of convolutions by linear operators of special form VP Zastavnyi, VV Savchuk Mathematical Notes 90, 333-343, 2011 | 6 | 2011 |
Approximation of functions by linear summation methods in the Orlicz-type spaces S Chaichenko, V Savchuk, A Shidlich Journal of Mathematical Sciences 249, 705-719, 2020 | 5 | 2020 |
Direct and inverse approximation theorems of -periodic functions by Taylor--Abel--Poisson means J Prestin, V Savchuk, A Shidlich arXiv preprint arXiv:1609.09615, 2016 | 5 | 2016 |
Approximation of some classes of holomorphic functions and properties of generating kernels V Savchuk Azerbaijan Journal of Mathematics 1 (2), 115-131, 2011 | 5 | 2011 |
Best linear methods for approximation of bounded harmonic functions VV Savchuk Nonlinear Oscillations 11 (2), 255-264, 2008 | 5 | 2008 |
Approximation of functions of Dirichlet class by Fejér means VV Savchuk Mathematical Notes 81, 665-670, 2007 | 5 | 2007 |
Best linear methods of approximation of functions of the Hardy class H p VV Savchuk Ukrainian Mathematical Journal 55 (7), 1110-1118, 2003 | 5 | 2003 |
Norms of Multipliers and Best Approximations of Holomorphic Functions of Many Variables VV Savchuk, MV Savchuk Ukrainian Mathematical Journal 54 (12), 2025-2037, 2002 | 5 | 2002 |
Approximation of bounded holomorphic and harmonic functions by Fejér means VV Savchuk, SO Chaichenko, MV Savchuk Ukrainian Mathematical Journal 71, 589-618, 2019 | 4 | 2019 |