Rainville, Earl D. <br/><br/>
Elementary differential equations / 
Earl D. Rainville. 
 - 2nd edition. 
 - New York :  The Macmillan Company,  c1958. 
 - 449 pages :  Illustration ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.