How to solve it A New Aspect of mathematical methods /
Polya, G.
How to solve it A New Aspect of mathematical methods / Polya, G. - 253
Mathematics -- Study and teaching.:Mathematics -- Problems, exercises, etc.:Mathématiques -- Problèmes et exercices.
510.7
How to solve it A New Aspect of mathematical methods / Polya, G. - 253
Mathematics -- Study and teaching.:Mathematics -- Problems, exercises, etc.:Mathématiques -- Problèmes et exercices.
510.7
