Pólya, George,  1887-1985. <br/><br/>
How to solve it :  a new aspect of mathematical method / 
G. Polya. 
 - 2nd ed. 
 - Garden City, N.Y :  Doubleday,  1957. 
 - xxi, 253 p ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises, etc.<br/>Mathematics--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>510  / POH 1957