Gupta,A.S. <br/><br/>
Calculus of Variations with Applications 
by- A.S. Gupta 
 - 14th ed. 
 - Delhi  Phl Learning Private Limited 
 - 242.  20cm. 
<br/><br/><label>ISBN: </label>9788120311206 
<br/><br/><label>Dewey Class. No.: </label>515.64