BIRKHOFF (Garrett);ROTA (Gian-Carlo). <br/><br/>
Ordinary differential equations. 

 - 4 
 - New York  John Wiley & Sons  1989 
 - xi,399  PB 
<br/><br/><label>ISBN: </label>8125904824 
<br/><br/><label>Dewey Class. No.: </label>515.35 BIRG