Asymptotic expansions of upper bounds of deviations of functions of the class from their generalized Poisson integrals

за авторством Ju. I. Kharkevich
Опубліковано 2018

On approximation of the quasi-smooth functions by their Poisson-type integrals

за авторством Ju. I. Kharkevich
Опубліковано 2017

Approximative properties of the generalized Poisson integrals on the classes of functions, determined by a modulus of continuity

за авторством Ju. I. Kharkevich
Опубліковано 2019

Exact equalities for approximation of functions from the Sobolev class by their generalized Poisson integrals

за авторством Ju. I. Kharkevich
Опубліковано 2021

Approximative properties of Abel–Poisson-type operators on the general-ized Hцlder classes

за авторством Ju. I. Kharkevich, A. G. Khanin
Опубліковано 2021