Polking, John & others. <br/><br/>
Differential equations 

 - Noida  Pearson india education services pvt. ltd.  2019 
 - I-6, 599p. 
<br/><br/><label>ISBN: </label>978-93-534-3227-0 
<br/><br/><label>Dewey Class. No.: </label>