Brief Communications

$\varphi$-Strong Summability of Fourier–Laplace Series of Functions of Class $L(S^{m-1})$

R. A. Lasuriya

Abkhazian State University

Keywords: Fourier–Laplace series, $\varphi$-strong summability, Cesàro mean, Gegenbauer polynomial, Orlicz space, function of bounded mean oscillation, John–Nirenberg inequality.

Received: 03.07.2008

DOI: 10.4213/mzm5248

 English version: Mathematical Notes, 2010, 87:1, 138–140

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