Multivariables calculus:   metric version/ 
Ron Larson, Bruce Edwards/ 
 - 11th edition 
 - Australia:  Cengage Learning,  2018. 
 - xi, 751-1160 pages:  illustrations;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781337616218 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations
<br/><br/><label>LC Class. No.: </label>Circ QA 303 .L37 2018