Birkhoff, Garrett <br/><br/>
Ordinary differential equations 
Garrett Birkhoff, Gian-Carlo Rota 
 - Massachusetts  Blaisdell pub.  1962 
 - vi, 318 p.- 
 - Introductions to higher mathematics .
<br/><br/> Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / BIR