How To Solve It
Polya, G.
How To Solve It A New Aspect of Mathematical Method - 2nd - New Delhi Prentice-Hall of India 2001 - xxi,253p.
510 / P1 MAT
How To Solve It A New Aspect of Mathematical Method - 2nd - New Delhi Prentice-Hall of India 2001 - xxi,253p.
510 / P1 MAT
