TY  - BOOK
AU  - Gelbaum Bernard R
AU  -  Olmasted John M H
TI  - Theorems and counter examples in mathematics
T2  - Problem books in mathematics
SN  - 9788184895438 (pbk)
U1  - B, N0;1-;2 
PY  - 1990///
CY  - New York 
PB  - Springer      
KW  - Mathematics
ER  -