Nagle, R. Kent Saff, Edward B <br/><br/>
Fundamentals of differential equations 
/R. Kent Nagle, Edward B. Saff 
 - 3rd ed. 
 - California  Addison Wesley  1993 
 - xxi, 608 p. 
<br/><br/>  <br/>Includes index 
<br/><br/><label>ISBN: </label>080535056X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / NAG