Prasad, Phoolan and Ravindran, Renuka <br/><br/>
Partial differential equations 

 - 2nd ed. 
 -  New Age Int.  2011 
<br/><br/><label>ISBN: </label>9788122430684 
<br/><br/><label>Dewey Class. No.: </label>515.353  / T11 PRA.R