RAINVILLE, Earl D. <br/><br/>
Elementary Differential Equations 

 - 7th 
 - America  Macmillan Publishing Company  1989 
 - xiii, 546p. 
<br/><br/><label>ISBN: </label>0023978600 
<br/><br/><label>LC Class. No.: </label>QA371  / .R35