Sperling, Abraham. <br/><br/>
Mathematics made simple 

 - New York :  Doubleday,  1962 
 - 192 p.  : ilus. 
<br/><br/><label>LCCN: </label>57752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas.
<br/><br/><label>Dewey Class. No.: </label>510.2  / S64