TY  - BOOK
AU  - Knopp, Konrad
TI  - Problem book in the theory of functions: : problems in the elementary theory of functions
U1  - 515.7 
PY  - 1948///
CY  - New York
PB  - ; Dover Publications
KW  - Functional Analysis
KW  - Mathematical Functions
KW  - Mathematics
ER  -