Okuyama, Yasuo (1937- ). Absolute summability of Fourier series and orthogonal series / Yasuo Okuyama. - Berlin [etc.] : Springer-Verlag, 1984. - VI, 118 s. ; 24 cm. - Lecture Notes in Mathematics ; 1067 . - Lecture Notes in Mathematics 1067 . Bibliogr. s. 113-117. Indeks. ISBN: 3540133550 0387133550 Subjects--Topical Terms: Szeregi Fouriera. Universal Decimal Class. No.: 517.5