Yu. I. Kharkevich, T. A. Stepanyuk, “Approksimativnye svoistva integralov Puassona na klassakh $C^{\psi}_{\beta}H^{\alpha}$”, Matematicheskie zametki, 96:6 (2014), 939–952
T. V. Zhyhallo, Yu. I. Kharkevych, “Approximation of $(\psi,\beta)$-differentiable functions by Poisson integrals in the uniform metric”, Ukrainian Mathematical Journal, 61:11 (2009), 1497–1515
K. M. Zhyhallo, Yu. I. Kharkevych, “Approximation of conjugate differentiable functions by their Abel-Poisson integrals”, Ukrainian Mathematical Journal, 61:1 (2009), 86–98
K. M. Zhyhallo, Yu. I. Kharkevych, “Complete asymptotics of the deviation of a class of differentiable functions from the set of their harmonic Poisson integrals”, Ukrainian Mathematical Journal, 54:1 (2002), 51–63
K. M. Zhyhallo,Yu. I. Kharkevych, “Approximation of differentiable periodic functions by their biharmonic Poisson integrals”, Ukrainian Mathematical Journal, 54:9 (2002), 1462–1470
D. N. Bushev, Yu. I. Kharkevich, “Finding Solution Subspaces of the Laplace and Heat Equations
Isometric to Spaces of Real Functions,
and Some of Their Applications”, Mat. Zametki, 103:6 (2018), 803–817; Math. Notes, 103:6 (2018), 869–880
Yu. I. Kharkevich, T. A. Stepanyuk, “Approximation Properties of Poisson Integrals for the Classes $C^{\psi}_{\beta}H^{\alpha}$”, Mat. Zametki, 96:6 (2014), 939–952; Math. Notes, 96:6 (2014), 1008–1019
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