"Birkhoff,Garrett" <br/><br/>
Ordinary Differential Eq 

 - Fourth 
 - New york  John Wiley & Sons  1989 
 - "xi,399" 
<br/><br/><label>ISBN: </label>471500208 
<br/><br/><label>Dewey Class. No.: </label>515  / 352 BI