TY  - GEN
AU  - Halmos,Paul R.
TI  - Problems for mathematicians, young and old
T2  - Dolciani mathematical expositions
SN  - 0883853205 (pbk.)
U1  - 510.76 
PY  - 1991///
CY  - [Washington, DC]
PB  - Mathematical Association of America
KW  - Mathematics-
KW  - Problems, exercises, etc
ER  -