Rao, K Sankara, <br/><br/>
Introduction to partial differential equations  Textual Documents 
K Sankara Rao 
 - 3rd ed. 
 - Delhi:  PHI Learning Private Limited,  2020. 
 - xii,488p.:  26cm. 
<br/><br/><label>ISBN: </label>9788120342224 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations 
<br/><br/><label>Dewey Class. No.: </label>515.353