TY  - BOOK
AU  - Knopp Konrad
TI  - Problem book in the theory of functions
U1  - 517.5 
PY  - 1948///
CY  - N Y
PB  - Dover Pub
KW  - Mathematics
KW  - Theory of functions
N1  - v.1-Problem in the elementary theory of functions;1948 v.2-Problems in the advanced theory of functions;1952
ER  -