TY  - BOOK
AU  - Polya,G.
TI  - How to solve it A New Aspect of mathematical methods
U1  - 510.7 
PY  - 2000///
CY  - New Delhi
PB  - Prentice Hall
KW  - Mathematics -- Study and teaching.:Mathematics -- Problems, exercises, etc.:Mathématiques -- Problèmes et exercices
ER  -