TY  - BOOK
AU  - Polya,George
AU  - 
TI  - Mathematical discovery on understanding, learning, and teaching problem solving. V.2: 
U1  - 510/POM 
PY  - 0000///Wiley
PY  - 1962///
CY  - N.Y. 
KW  - Mathematics
N1  - Includes index and Bibliography and Glossary.
ER  -