Coddington, Earl A <br/><br/>
Introduction to ordinary differential equations 

 - 1st 
 - New Delhi  Prentice-Hall of India  1994 
 - xii,292p p. 
<br/><br/><label>ISBN: </label>81-203-0361-x 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations