Polya, G. <br/><br/>
Problems and theorems in analysis  V.2 
by G.Polya, G.Szego 
 - Berlin  Springer Verlag  1976 
 - xi, 391p. 
 - Die Grundlehren der mathematischen Wissenschaften  Band 216 .
<br/><br/><label>ISBN: </label>3540069720 
<br/><br/><label>Dewey Class. No.: </label>515  / N721.2