Pathak, H.K. <br/><br/>
Partial Differential Equations   

 - 4th 
 - Meerut  Shree Shiksha Sahitya Prakashan  2019 
 - 673p. 
<br/><br/><label>ISBN: </label>9789388047142     
<br/><br/><label>Dewey Class. No.: </label>515.353  / P2734