Nagle, R. Kent. <br/><br/>
Fundamentals of differential equations / 
R. Kent Nagle, Edward B. Saff. 
 - 3rd ed. 
 - Reading, Mass. :  Addison-Wesley,  c1993. 
 - 1 v. (various pagings) :  ill. (some col.) ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>080535056X 
<br/><br/><label>LCCN: </label>92024033  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>LC Class. No.: </label>QA371  / .N24 1993 
<br/><br/><label>Dewey Class. No.: </label>515/.35