Vilenkin, N. Ja. Special functions and the theory of group representations / N. Ja. Vilenkin. - Revised. - [S.l.] : American Mathematical Society, 1968. - 613 p. ; 25 cm. - Translations of mathematical monographs. . - Translations of mathematical monographs. . ISBN: 0821815725 9780821815724 Dewey Class. No.: 517.35