Polya, G.
How to solve it : a new aspect of mathematical method / G. Polya - 2nd ed. - xxi, 253 p. : ill. ; 18 cm. - Princeton science library .
9780691164076 (paper)
2014941268
510 / POH
How to solve it : a new aspect of mathematical method / G. Polya - 2nd ed. - xxi, 253 p. : ill. ; 18 cm. - Princeton science library .
9780691164076 (paper)
2014941268
510 / POH