S G Deo, V Raghavendra, Rasita Kar, V Lakshmikantham <br/><br/>
Textbook of Ordinary Differential Equations 

 - 3rd 
 - Mc Graw Hill  Mc Graw Hill  2018 
 - 447 
<br/><br/><label>Dewey Class. No.: </label>515.35