Pólya, George Problems and theorems in analysis I : Series, integral calculus, theory of functions / George Pólya, Gábor Szegö. - Berlin : Springer, 1979. - XIX, 389 Seiten : illustrations ; 22 cm. includes index. ISBN: 3540780254 Subjects--Topical Terms: Mathematics Dewey Class. No.: 515 / POL