Ross, Shepley L. <br/><br/>
Differential equations 

 - 3rd ed. 
 - Canada  John wiley & Sons, Inc.  1984 
 - vii, 807p. 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations 
<br/><br/><label>Dewey Class. No.: </label>515.35  / ROS