Дополнения к оценкам приближения суммами Фурье классов бесконечно дифференцируемых функций ВС Романюк
Екстремальнi задачi теорiї функцiй та сумiжнi питання: Пр. Iн-ту математики …, 2003
16 2003 APPROXIMATING CHARACTERISTICS OF THE CLASSES OF PERIODIC MULTIVARIATE FUNCTIONS IN THE SPACE [B. sub.[infinity], 1]. AS Romanyuk, VS Romanyuk
Ukrainian Mathematical Journal 71 (2), 308-322, 2019
15 2019 Trigonometric and orthoprojection widths of classes of periodic functions of many variables AS Romanyuk, VS Romanyuk
Ukr. Mat. Zh 61, 1348-1366, 2009
15 2009 Asymptotic estimates for the best trigonometric and bilinear approximations of classes of functions of several variables AS Romanyuk, VS Romanyuk
Ukr. Mat. Zh 62, 536-551, 2010
13 2010 Estimation of Some Approximating Characteristics of the Classes of Periodic Functions of One and Many Variables. AS Romanyuk, VS Romanyuk
Ukrainian Mathematical Journal 71 (8), 2020
11 2020 Best bilinear approximations of functions from Nikol'skii-Besov classes. A Romanyuk, V Romanyuk
Ukrainian Mathematical Journal 64 (5), 2012
7 2012 Наилучшие билинейные приближения функций из пространств Никольского-Бесова АС Романюк, ВС Романюк
Український математичний журнал, 2012
7 2012 Approximative characteristics of classes of periodic functions of many variables in the space B∞, 1 AS Romanyuk, VS Romanyuk
Ukr. Mat. Zh. 71 (2), 271-282, 2019
6 2019 Наилучшие билинейные приближения классов функций многих переменных АС Романюк, ВС Романюк
Український математичний журнал, 2013
6 2013 Multiple Haar basis and -term approximations of functions from the Besov classes. II VS Romanyuk
Ukrains’ kyi Matematychnyi Zhurnal 68 (6), 816-825, 2016
5 2016 Additions to the estimates of the approximation of classes of infinitely differentiable functions by Fourier sums VS Romanyuk
Extremal Problems of the Theory of Functions and Related Problems [in …, 2003
5 2003 Multiple Haar basis and m-term approximations for functions from the Besov classes. I. VS Romanyuk
Ukrainian Mathematical Journal 68 (4), 625-638, 2016
4 2016 Multiple Haar basis and its properties VS Romanyuk
Ukrainian Mathematical Journal 67 (9), 1411-1425, 2016
4 2016 Characteristics of linear and nonlinear approximation of isotropic classes of periodic multivariate functions AS Romanyuk, VS Romanyuk, KV Pozharska, SB Hembars' ka
Carpathian Mathematical Publications 15 (1), 78-94, 2023
3 2023 Multiple Haar basis and m-term appriximations for functions from the Besov classes. I VS Romanyuk
Ukrains’ kyi Matematychnyi Zhurnal 68 (4), 551-562, 2016
3 2016 Конструктивная характеристика классов Гельдера и m-членные приближения по кратному базису Хаара ВС Романюк
Український математичний журнал, 2014
3 2014 Classes of (ψ, β)-differentiable functions of a complex variable and approximation by linear averages of their Faber series AI Stepanets, VS Romanyuk
Ukrainian Mathematical Journal 44 (11), 1432-1446, 1992
3 1992 Kolmogorov widths and entropy numbers in the Orlich spaces with the Luxembourg norm VS Romanyuk
Ukrains’ kyi Matematychnyi Zhurnal 69 (5), 682-694, 2017
2 2017 Best bilinear approximations for the classes of functions of many variables AS Romanyuk, VS Romanyuk
Ukr. Mat. Zh 65, 1681-1699, 2013
2 2013 Approximation of classes of analytic functions by algebraic polynomials and Kolmogorov widths VS Romanyuk
Ukrainian Mathematical Journal 48 (2), 267-282, 1996
2 1996