Marder, Leslie. <br/><br/>
Calculus of several variables / 
L. Marder. 
 - London :  Allen and Unwin,  c1971. 
 - 84 p. :  ill. 
 - Problem solvers ;  no. 2 .
<br/><br/><label>ISBN: </label>0045170010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus--Problems, exercises, etc.<br/>Functions of several real variables--Problems, exercises, etc.