TY  - BOOK
T1  - How to solve it a new aspect of mathematical method
A1  - Polya, Gyorgy 1887-
PP  - Princeton, N.J.
PB  - Princeton University Press
YR  - 1973
ED  - 2nd ed.
UL  - https://tuklas.up.edu.ph/Record/UP-1685594773861498269
OP  - 253
CN  - QA 11 P6 1973
KW  - Mathematics : Study and teaching.
KW  - Mathematics : Problems, exercises, etc.
ER  -