Lang, Serge,  1927- <br/><br/>
Calculus of several variables / 
Serge Lang 
 - Reading, Mass. :  Addison-Wesley,  1973 
 - viii, 376 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>020104224X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus<br/>Functions of several real variables