YAQUB, A. <br/><br/>
Elementary Functions 

 - London,  Houghton Mifflin,  1975. 
 - 427p.: ill.; figure, table.  Index.  24cm. 
<br/><br/><label>ISBN: </label>0-395-17093-1 
<br/><br/><label>Dewey Class. No.: </label>515 YAQ