Knopp, Konrad,  1882-1957. <br/><br/>
Problem book in the theory of functions / 
Konrad Knopp. 
 - New York :  Dover Pub. Inc.,  1948. 
 - 2 v.; 17 cm. 
<br/><br/>v. 1. Problems in the elementary theory of functions, translated by L. Bers.--v. 2. Problems in the advanced theory of functions, translated by F. Bagemihl. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.