Coddington, Earl A, <br/><br/>
Theory of ordinary differential equations /​ 

 - New Delhi  Tata McGraw Hill Education  1955 
 - xii, 429 p. :  ill.;  24 cm. 
 - International series in pure and applied mathematics. .
<br/><br/> Bibliography: p. 417 - 422.  
<br/><br/><label>ISBN: </label>9780070992566 
<br/><br/><label>Dewey Class. No.: </label>515.352 COD (3)