Rao, K Sankara <br/><br/>
Introduction to partial differential equations 
K Sankara Rao 
 - 3rd ed. 
 - Delhi;  PHI Learning  2019 
 - 488p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.353