Walter Wolfgang <br/><br/>
Ordinary Differential Equations 

 - New York  Springer  1998 
 - 380p 
<br/><br/><label>ISBN: </label>0387984593 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>515.352/WAL/1998