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Estimates of the best orthogonal trigonometric approximations and orthoprojective widths of the classes of periodic functions of many variables in a uniform metric

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Bibliographic Details
Date:	2019
Main Authors:	H. M. Vlasyk, V. V. Shkapa, I. V. Zamrii
Format:	Article
Language:	English
Published:	2019
Series:	Ukrainian Mathematical Bulletin
Online Access:	http://jnas.nbuv.gov.ua/article/UJRN-0001100830
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Journal Title:	Library portal of National Academy of Sciences of Ukraine \| LibNAS

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Library portal of National Academy of Sciences of Ukraine | LibNAS

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