TY  - BOOK
AU  - Polya,George
TI  - How to solve it: a new aspect of mathematical method 
SN  - 9780140124996
U1  - 510.7 
PY  - 2022///
CY  - UK
PB  - Penguin Book
KW  - Mathematics--Study and teaching
KW  - Mathematics--Problems, exercises, etc
ER  -