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

 - New Delhi  Prentice-hall of India  2007 
 - xxii,253p. 
<br/><br/><label>ISBN: </label>9788120318885  150 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / POL