TY  - BOOK
AU  - Knopp, Konrad,
TI  - Problem book in the theory of functions
U1  - 517.5 KNO 
PY  - 1948///-53; v. 2, c1952]
CY  - New York
PB  - Dover Publications
KW  - Functions
KW  - Problems, exercises, etc
N1  - 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
ER  -