TY  - BOOK
AU  - Polya,George
TI  - How to solve it: a new aspect of mathematical method 
SN  - 0691080976
PY  - 1957///
CY  - Princeton, N.J.
PB  - Princeton University Press
KW  - Mathematics
KW  - Study and teaching
KW  - Problems, exercises, etc
N1  - Reprint of the 1945 ed; Bibliographical footnotes
ER  -