Nagle, R. Kent <br/><br/>
Fundamentals of differential equations 

 - 4th ed. 
 - California  Addison - Wesley  1996 
 - xx, 657p.  25cm. 
<br/><br/><label>ISBN: </label>0201808757 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIFFERENTIAL EQUATIONS
<br/><br/><label>Dewey Class. No.: </label>515.35  / NAG