Biswal Chandra Purna <br/><br/>
Partial Differential Equations 

 - 1 
 - Delhi  PHI Learning P.Ltd  2015 
 - 255 
<br/><br/><label>ISBN: </label>978-81-203-5043-4 
<br/><br/><label>Dewey Class. No.: </label>515.353 P15 BIS