Rao, K. S. <br/><br/>
Introduction to partial differential equations 

 - New Delhi  Prentice-Hall of India Pvt. Ltd.  2002 
 - x,357p.  23cm. 
<br/><br/><label>ISBN: </label>8120309790 
<br/><br/><label>Dewey Class. No.: </label>515.353  / R