Approximation of the Classes $$ {C}_{\beta}^{\psi } $$H𝛼 By Biharmonic Poisson Integrals

Some properties of operators of Abel-Poisson type

Mathematical Notes · 1975 · 32 citations

Natural Sciences, Mathematics, Probability Theory +8

Asymptotics of approximation of conjugate functions by Poisson integrals

Yu. I. Kharkevych, Kateryna Pozharska · Acta et Commentationes Universitatis Tartuensis de Mathematica · 2019 · 30 citations · Full text

Engineering, Computational Engineering, Probability Theory +6

Complete asymptotics of the approximation of function from the Sobolev classes by the Poisson integrals

Inna Kal’chuk, Yu. I. Kharkevych · Acta et Commentationes Universitatis Tartuensis de Mathematica · 2018 · 30 citations · Full text

Engineering, Mechanical Engineering, Probability Theory +6

Approximation of (ψ, β)-differentiable functions by Weierstrass integrals

Yu. I. Kharkevych, Inna Kal’chuk · Ukrainian Mathematical Journal · 2007 · 26 citations

Natural Sciences, Mathematics, Differential Equations +11

Approximation of conjugate differentiable functions by their Abel–Poisson integrals

K. M. Zhyhallo, Yu. I. Kharkevych · Ukrainian Mathematical Journal · 2009 · 25 citations

Natural Sciences, Mathematics, Differential Equations +9