Nagle, R. Kent <br/><br/>
Fundamentals of differential equations 
R. Kent Nagle & Edward B. Saff ; with contributions by A.D. Snider. 
 - 4th ed. 
 - Reading, Mass.  Addison-Wesley Pub. Co.  1996 
 - xx, 657, 10, 28, 4 p.  ill. (some col.)  24cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0201808757 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations