HOW TO SOLVE IT : A NEW ASPECT OF MATHEMATICAL METHODS
POLYA G
HOW TO SOLVE IT : A NEW ASPECT OF MATHEMATICAL METHODS - PRINCETON UNIVERSITY 1988 - XXVII, 253
9780691150956
510 POL
HOW TO SOLVE IT : A NEW ASPECT OF MATHEMATICAL METHODS - PRINCETON UNIVERSITY 1988 - XXVII, 253
9780691150956
510 POL