کتاب های G. Polya
![The Polya Picture Album: Encounters of a Mathematician](http://cdn.ketabkoo.com/covers/16/1604324-n.jpg)
The Polya Picture Album: Encounters of a Mathematician
George Polya, Gerald L. Alexanderson, 1987![Notes on Introductory Combinatorics](http://cdn.ketabkoo.com/covers/16/1612482-n.jpg)
Notes on Introductory Combinatorics
George Pólya, Robert E. Tarjan, Donald R. Woods, 2010![Complex Variables](http://cdn.ketabkoo.com/covers/16/1660976-n.jpg)
Complex Variables
George Polya, Gordon Latta, 1974![Πως να το λύσω](http://cdn.ketabkoo.com/covers/17/1705165-n.jpg)