TY  - GEN
AU  - Polya, George
AU  -  George Polya
TI  - How to solve it: A new aspect of mathematical method
SN  - 9780140124996
U1  - 510.7 
PY  - 1990///
CY  - New York
PB  - Penguin Group
KW  - Mathematics--Study and teaching
ER  -