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

 - 3 
 - New Delhi  McGraw Hill Education (India)P.Ltd  2015 
 - 447 
<br/><br/><label>ISBN: </label>978-93-392-1930-7 
<br/><br/><label>Dewey Class. No.: </label>515.353 P15 DEO