Problem book in the theory of functions /
by Konrad Knopp.
- 1st American ed.
- New York : Dover Publications , [1948-53; v. 2, c1952]
- 2 v. ; 17 cm
v. 1. Problems in the elementary theory of functions, translated by L. Bers.--v. 2. Problems in the advanced theory of functions, translate d by F. Bagemihl.