Estimation of the Integral Modulus of Smoothness of an Even Function of Several Variables with Quasiconvex Fourier Coefficients
Keyword(s):
Abstract The estimate of the modulus of smoothness of an even function of several variables with quasiconvex Fourier coefficients obtained in this paper extends one result of S. A. Telyakovski.
1987 ◽
Vol 39
(4)
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pp. 825-834
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1960 ◽
Vol 66
(2)
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pp. 68-70
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Keyword(s):
2003 ◽
Vol 55
(8)
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pp. 1377-1382