Polya G <br/><br/>
How to solve it an new aspect of mathematical method 

 - 2ND Ed. 
 -  Prentice Hall Of India  2005 
 - 253p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>510