Polya, G.  <br/><br/>
How To Solve It    : A New Aspect Of Mathematical Method  
/ by G. Polya 
 - 2nd ed.  
 - New Delhi:   Prentice Hall Of India;   2001.  
 - xxi,253p.  
<br/><br/><label>ISBN: </label>8120318889 
<br/><br/><label>Dewey Class. No.: </label>511.3   / POL/H