Robert E. O'Malley, Jr.  <br/><br/>
Thinking About Ordinary Differential Equations  

 - UK  Cambridge University Press  1997 
 - X,247 
<br/><br/><label>ISBN: </label>0-521-55742-9 
<br/><br/><label>Dewey Class. No.: </label>515.352  / MAL