TY  - BOOK
AU  - Wickelgren,Wayne A.
TI  - How to solve mathematical problems
T2  - Dover books on mathematical & logical puzzles, cryptography, and word recreations
SN  - 0486284336
AV  - QA43  W53 1995
PY  - 1995///
CY  - New York
PB  - DOVER publications, inc.
KW  - Lemb
KW  - MatemÃ¡ticas
KW  - Problemas, ejercicios, etc
N1  - Incluye bibliografÃ­a e Ã­ndice
ER  -