Rainville, Earl D., Philip E. Bedient, and Richard E. Bedient, Earl D. Rainville, Philip E. Bedient, and Richard E. Bedient <br/><br/>
Elementary differential equations  

 - Seventh Edition 
 -  Macmillan Publishing company  1989 
 - 546 
<br/><br/><label>Dewey Class. No.: </label>515.35 R13