Ross, Shepley L. <br/><br/>
Differential equations, 2nd edition / 
Shepley L. Ross. 
 - 2nd ed. 
 - [S.l.] :  Wiley,  1964. 
 - 816 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>0471032948 9780471032946 
<br/><br/><label>Dewey Class. No.: </label>515.35