How to solve it : a new aspect of mathematical method
Polya,G.,
How to solve it : a new aspect of mathematical method - US Princeton University Press 1945 - 253p.
9780691164076
510.7 / POL/HOW
How to solve it : a new aspect of mathematical method - US Princeton University Press 1945 - 253p.
9780691164076
510.7 / POL/HOW