How to solve it a new aspect of mathematical method.

Xehetasun bibliografikoak
Egile nagusia:	Polya, George 1887-1985
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	New York Doubleday Anchor Books c1957
Gaiak:	Mathematics > Study and teaching. Mathematics > Problems, exercises, etc.