Nagle, R. Kent Saff, Edward B <br/><br/>
Fundamentals of differential equations 
/R. Kent Nagle, Edward B. Saff, Arthur David Snider 
 - 6th ed. 
 - Boston  Pearson/Addison Wesley  2004 
 - xx, 660 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>321145720 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / NAG