Approximation of differentiable periodic functions by their biharmonic Poisson integrals YI Kharkevych, KM Zhyhallo
Ukrainian Mathematical Journal, 2002
73 * 2002 Complete asymptotics of the deviation of a class of differentiable functions from the set of their harmonic Poisson integrals KM Zhyhallo, YI Kharkevych
Ukrainian Mathematical Journal 54 (1), 51-63, 2002
63 * 2002 On the approximation of functions of the Hölder class by biharmonic Poisson integrals KM Zhigallo, YI Kharkevych
Ukrainian Mathematical Journal 52 (7), 1113-1117, 2000
62 * 2000 Approximation of conjugate differentiable functions by biharmonic Poisson integrals KM Zhyhallo, YI Kharkevych
Ukrainian Mathematical Journal 61 (3), 399-413, 2009
57 * 2009 Approximation of conjugate differentiable functions by their Abel–Poisson integrals KM Zhyhallo, YI Kharkevych
Ukrainian Mathematical Journal 61 (1), 86-98, 2009
55 * 2009 Complete asymptotics of the approximation of function from the Sobolev classes by the Poisson integrals IV Kal'Chuk, YI Kharkevych
Acta et Commentationes Universitatis Tartuensis de Mathematica 22 (1), 23-36, 2018
50 2018 On the approximation of functions of the Holder class by triharmonic Poisson integrals KM Zhyhallo, YI Kharkevych
Ukrainian Mathematical Journal 53 (6), 1012-1018, 2001
49 2001 Approximation of functions from the class TV Zhyhallo, YI Kharkevych
Ukrainian Mathematical Journal 61 (12), 1893-1914, 2009
47 * 2009 Approximating Properties of Biharmonic Poisson Operators in the Classes T Zhyhallo, Y Kharkevych
Ukrainian Mathematical Journal 69 (5), 2017
45 2017 Approximating Properties of Biharmonic Poisson Integrals in the Classes I Kal'chuk, Y Kharkevych
Ukrainian Mathematical Journal 68 (11), 2017
45 2017 APPROXIMATION OF (ψ, β)-DIFFERENTIABLE FUNCTIONS OF LOWSMOOTHNESS BY BIHARMONIC POISSON INTEGRALS YI Kharkevych, KM Zhyhallo
Ukrainian Mathematical Journal, 2012
45 * 2012 Approximation of (ψ, β)-differentiable functions by Poisson integrals in the uniform metric TV Zhyhallo, YI Kharkevych
Ukrainian Mathematical Journal 61 (11), 1757-1779, 2009
43 2009 Approximation of functions from the classes K Zhyhallo, Y Kharkevych
Ukrainian Mathematical Journal 63 (7), 2011
42 * 2011 Asymptotics of approximation of functions by conjugate Poisson integrals IV Kal'chuk, YI Kharkevych, KV Pozharska
Carpathian Mathematical Publications 12 (1), 138-147, 2020
41 2020 Approximation of (ψ, β)-differentiable functions by Weierstrass integrals YI Kharkevych, IV Kalchuk
Ukrainian Mathematical Journal, 2007
38 2007 Approximation of the Classes CβψH𝛼 By Biharmonic Poisson Integrals. FG Abdullayev, YI Kharkevych
Ukrainian Mathematical Journal 72 (1), 2020
35 2020 Conditions of Convergence Almost Everywhere for the Convolution of a Function with Delta-Shaped Kernel to this Function. D Bushev, Y Kharkevych
Ukrainian Mathematical Journal 67 (11), 2016
34 2016 Asymptotics of the values of approximations in the mean for classes of differentiable functions by using biharmonic Poisson integrals YI Kharkevych, IV Kal’chuk
Ukrainian Mathematical Journal 59 (8), 1224-1237, 2007
32 * 2007 Approximation Properties of the Generalized Abel-Poisson Integrals on the Weyl-Nagy Classes I Kal’chuk, Y Kharkevych
Axioms 11 (4), 161, 2022
31 2022 Approximation of the Classes Wβ,∞ R by Generalized Abel–Poisson Integrals. IV Kal'chuk, YI Kharkevych
Ukrainian Mathematical Journal 74 (4), 2022
30 2022 
Inna Kal'chuk / Інна КальчукLesya Ukrainka Volyn National UniversityПідтверджена електронна адреса в vnu.edu.ua
