Rainville, Earl D. <br/><br/>
Elementary differential equations / 
Earl D. Rainville, Phillip E. Bedient and Richard E. Bedient. 
 - 8th edition. 
 - Singapore :  Pearson Education South Asia Pte Ltd,  c1989. 
 - xiii, 530 pages :  Illustration ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9814009792