Calculus of variations 
Sharma, R.K. 
 -  ED-Tech Press.  2022 
 - ix, 271 pages 
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<br/><br/><label>ISBN: </label>978-1-80406-036-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus.
<br/><br/><label>Dewey Class. No.: </label>515 S5313 2022