Swokowski, Earl W. <br/><br/>
Calculus of several variables/ 
Swokowski, Earl W., Olinick, Michael, Pence, Dennis, Cole, Jeffery A. 
 - Sixth edition 
 - Boston;  PWS Publishing Company,  c1995. 
 - xlii;  1,384 pages 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534949207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus--(of several variables)
<br/><br/><label>Dewey Class. No.: </label>515