TY  - BOOK
AU  - Knopp,Konrao
TI  - Problem book in the theory of functions
U1  - 517.8 
PY  - 1948///
CY  - New York
PB  - Dover Publications, Inc.
KW  - Mathematics
KW  - Theory of functions
N1  - V.1. Problems in the elementary theory of functions
ER  -