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On the Approximation of Functions of the Hölder Class by Triharmonic Poisson Integrals

We determine the exact value of the upper bound for the deviation of the triharmonic Poisson integral from functions of the Hölder class.

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Bibliographic Details
Date:	2001
Main Authors:	Zhyhallo, K. M., Kharkevych, Yu. I., Жигалло, К. М., Харкевич, Ю. І.
Format:	Article
Language:	Ukrainian English
Published:	Institute of Mathematics, NAS of Ukraine 2001
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/4306
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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