Rao, Sankar K. <br/><br/>
Introduction to Partial Differential Equations 
/ by Rao K. Sankara 
 - 2nd ed. 
 - New Delhi  Prentice Hall of India Private Limited,  2008 
 - x,430p. 
<br/><br/><label>ISBN: </label>9788120327337 
<br/><br/><label>Dewey Class. No.: </label>515.353  / RAO/I