TY  - BOOK
AU  - Polya G
TI  - How to solve it:  : a new aspect of mathematical method
SN  - 0-691-11966-x
AV  - QA11.P6 
PY  - 1945///
CY  - Princeton 
PB  -  :  Princeton University Press
KW  - Mathematics
KW  - Study and teaching
KW  - Problems
KW  - Exercises
N1  - Includes bibliographical references
ER  -