Lang, Serge, <br/><br/>
Calculus of several variables. 

 - Reading, Mass.,  Addison-Wesley Pub. Co.  [1973] 
 - viii, 376 p.  illus.  25 cm. 
 - Addison-Wesley series in mathematics .
<br/><br/><label>Subjects--Index Terms: </label>Calculus   Functions of several real variables 
<br/><br/><label>Dewey Class. No.: </label>515/.84  / LAN