How to solve it :
Pólya, George, 1887-1985
How to solve it : a new aspect of mathematical method / A new aspect of mathematical method G. Polya ; with a new foreword by John H. Conway - Expanded Princeton Science library ed. - xxi, 253 páginas
069111966X
Matemáticas--Estudio y enseñanza
Matemáticas--Problemas, ejercicios, etc.
QA11 / P64 2004
How to solve it : a new aspect of mathematical method / A new aspect of mathematical method G. Polya ; with a new foreword by John H. Conway - Expanded Princeton Science library ed. - xxi, 253 páginas
069111966X
Matemáticas--Estudio y enseñanza
Matemáticas--Problemas, ejercicios, etc.
QA11 / P64 2004