Rainville, Earl D. <br/><br/>
Elementary differential equations / 
Earl D. Rainville, Philip E. Bedient. -- 
 - Seventh edition. -- 
 - New York :   Macmillan Publishing Company,  1989. 
 - 546 pages;  23 cm 
<br/><br/> include index. 
<br/><br/><label>ISBN: </label>971105552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>LC Class. No.: </label>QA371  / .R29 1989