Soifer alexander <br/><br/>
Mathematics as problem solving. 
Soifer alexander 
 - 2 
 - New York     Springer        2009 
 - xviii,106p.  cm. 
<br/><br/><label>ISBN: </label> 2808.4850000000001 
<br/><br/><label>Standard No.: </label>103822 
<br/><br/><label>Source: </label> 530, 15/12/2009, Insat Books and Periodicals  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B, P9