Kumar, Rakesh  Kumar, Nagendra  <br/><br/>
Differential equations and calculus of variations / 
by Rakesh Kumar and Nagendra Kumar 
 - New delhi :  Cbs Publishers and  Distributors Pvt. Ltd. ,  2013 . 
 - 587 p.  Paper Back 
<br/><br/><label>ISBN: </label>9788123922041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Differential equations<br/>Derivations
<br/><br/><label>Dewey Class. No.: </label>515.35  / RAK-D