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

 - 2nd ed. 
 - New York  Doubleday Anchor Books  1957 
 - xxi, 253 pages 
<br/><br/><label>ISBN: </label>238625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-study & teaching
<br/><br/><label>Dewey Class. No.: </label>510.7  / POL