RAO, K.SANKARA. <br/><br/>
Introduction To Partial Differential Equations. 

 - New Delhi.  Prentice-Hall of India Pvt. L  td.        1997 
 - x, 357 p. 
<br/><br/><label>ISBN: </label>81-203-0979-0 
<br/><br/><label>Dewey Class. No.: </label>515.35