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On the best approximation of periodic functions of two variables by polynomial splines

We consider the problem of the best approximation of periodic functions of two variables by a subspace of splines of minimal defect with respect to a uniform partition.

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Bibliographic Details
Date:	2000
Main Authors:	Korneichuk, N. P., Корнейчук, Н. П.
Format:	Article
Language:	Russian English
Published:	Institute of Mathematics, NAS of Ukraine 2000
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/4396
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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