Ross Shepley L. <br/><br/>
Differential Equations 
/ by Shepley L.Ross 
 - New York  John Wiley & Sons  1984 
 - 807p. 
<br/><br/><label>ISBN: </label>0471032948 
<br/><br/><label>Dewey Class. No.: </label>515.35  / ROS/D