Chapman,  . <br/><br/>
Ordinary Differential Equations /  

 - 1st ed /  
 - London EC4P 4EE :   Chapman and Hall Ltd. 
 - p.252 :  
<br/><br/><label>ISBN: </label>0-412-22610-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>B331  / M1