Polya G <br/><br/>
How to Solve It : A New Aspect of mathematical method 

 - 2nd 
 -  "PHI,New D"  1985 
<br/><br/> TRANSFERED 
<br/><br/><label>ISBN: </label>81-203-1888-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics Mathematics 
<br/><br/><label>Dewey Class. No.: </label>