Polya, George Problems and Theorems in Analysis, Vol.II: Theory of functions, Zeors, Polynominals, Determinants, number theory, Geometry, George Polya, eng - New York, Springer-Verlag, US 1998 - xi,391p. 24 cm. - Classics in Mathematics . ISBN: 3540636862 Dewey Class. No.: 515, / D, Pol