Pólya, George <br/><br/>
How to solve it  a new aspect of mathematical method. 

 - Princeton, N.J.  Princeton University Press  1948. 
 - xv, 204 p.  diagrs. 
<br/><br/><label>LCCN: </label>bvc00001886 //r914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study teaching.<br/>Mathematics--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>QA11  / .P6 
<br/><br/><label>Dewey Class. No.: </label>510.7