TY  - BOOK
AU  - Polya, G.
AU  - Conway, John H. ; fore.
TI  - How to solve it: a new aspect of mathematical method
T2  - Princeton Science library
SN  - 069111966X
U1  - 510.9 
PY  - 2004///
CY  - Princeton
PB  - Princeton University Press
ER  -