00973cam0-22003371i-450-99000126808040332120050117122319.03-540-13355-0000126808FED01000126808(Aleph)000126808FED0100012680820001205d1984----km-y0itay50------baengUSy-------001yyAbsolute summability of Fourier series and orthogonal serieby OkuyamaBerlin ; New YorkSpringer-Verlag1984VI, 117 p.24 cmLecture Notes in Mathematics1067515.2433Okuyama,Yasuo41190ITUNINARICAUNIMARCBK990001268080403321C-20-(1067512MA102 43 B 274770FINBNMA1FINBNAbsolute summability of Fourier series and orthogonal serie380207UNINA