TY  - BOOK
AU  - Polya,George
TI  - How to solve it: a new aspect of mathematical method 
SN  - 4871878309 (pbk.)
U1  - 510 
PY  - 2009///
CY  - Bronx, NY
PB  - Ishi Press International
KW  - Mathematics
KW  - Study and teaching
KW  - Problems, exercises, etc
KW  - Problem solving
N1  - Previously published: [Princeton, N.J.] : Princeton University Press, 1957
ER  -