10693
38011
Polya, George
7881-
How to solve it; a new aspect of mathematical method
Princeton, NJ.
Princeton Uneversity Press
]1971,c1957[
xxi, 253p. diagrs
Open University set book mathematics foundation course,642
Illustrated cover
2d ed
Study and teaching ، Mathematics
Problems, exercises, etc ، Mathematics
QA
11
.
P6
1971
AU
TI
TI Mathematical method
CL
CLنوجی
