Rainville, Earl D. <br/><br/>
Elementary differential equations. 
Earl D. Rainville, Philip E. Bedient 
 - Sevent edition. 
 - New York:  MacMillan Publishing Company;  [1981] 
 - xiii, 546 pages;  with illustrations  24 cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>971105552X 
<br/><br/><label>LC Class. No.: </label>QA 465  / .R159 1981