Wickelgren, Wayne A. <br/><br/>
How to Solve Mathematical Problems 

 - New York  Dover Publications, Inc.  1974 
 - 262 
<br/><br/><label>ISBN: </label>9780486284330 
<br/><br/><label>Publisher. No.: </label> Gangaram Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics