Barrelli, Robert L <br/><br/>
Differential equations : a modelling perspective 

 - New York  John Wiley  1998 
 - xiii, 706p.  
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>471042307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations