TY  - BOOK
AU  - Pólya,George
TI  - How to solve it: a new aspect of mathematical method
T2  - Princeton paperbacks, no. 246
SN  - 9780691150956
U1  - 510.7 
PY  - 1971///, c1957]
CY  - Princeton, N.J.
PB  - Princeton University Press
KW  - Mathematics
UR  - http://www.loc.gov/catdir/description/prin051/79160544.html
ER  -