Prasad, Phoolan. <br/><br/>
Partial differential equations   
by Phoolan Prasad and Renuka Ravindran 
 - New Delhi  Wiley Eastern Limited  1985 
 - xi, 252p. 
<br/><br/><label>ISBN: </label>0852267223 
<br/><br/><label>Dewey Class. No.: </label>515.353  / N85;6