Nagle, R. Kent <br/><br/>
Fundamentals of differential equations / 
Kent R. Nagle, Edward B. Saff, Arthur David Snyder 
 - 5th ed. 
 - Reading, MA :  Addison-Wesley,  2000 
 - xxii, 684 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0201338688 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations