TY  - BOOK
AU  - POLYA, GEORGE
TI  - MATHEMATICAL DISCOVERY: ON UNDERSTANDING, LEARNING, AND TEACHING PROBLEM SOLVING
T2  - 0
U1  - 510 
PY  - 1962///
CY  - U.S.A.
PB  - JOHN WILEY Y SONS
KW  - CIENCIAS PURAS
N1  - PATTERNS-TOWARD
ER  -