Polya, G <br/><br/>
How to solve it:a new aspect of mathematical method 

 - 2nd edition. 
 - New Delhi  :  Prentice Hall Publication,  2001. 
 - xxi,253 
<br/><br/><label>ISBN: </label>81-203-1888-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied Secience Humanities
<br/><br/><label>Dewey Class. No.: </label>510  / POL