Ordinary differential equations / 
3G E-Learning. 
 - 2nd edition. 
 - New York :  3G E-Learning,  ©2022. 
 - xii, 441 pages :  illustrations ;  25 cm. 
<br/><br/> Includes bibliographical references and index.<br/> 
<br/><br/><label>ISBN: </label>9781984659798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>DC 515/.35  / T413