How to solve it :
Polya, George
How to solve it : a new aspect of mathematical method G. Polya. - 2nd ed. - New Delhi : Penguin Books, ©1990. - xii, 253 p. : ill. ; 21 cm.
Includes bibliographical references.
9780140124996
79160544
Mathematics--Study and teaching.
Mathematics--Problems, exercises, etc.
QA11 / .P6 1971
510.7 / POL-H
How to solve it : a new aspect of mathematical method G. Polya. - 2nd ed. - New Delhi : Penguin Books, ©1990. - xii, 253 p. : ill. ; 21 cm.
Includes bibliographical references.
9780140124996
79160544
Mathematics--Study and teaching.
Mathematics--Problems, exercises, etc.
QA11 / .P6 1971
510.7 / POL-H