Ross, Shepley L. <br/><br/>
Introduction to ordinary differential equations 

 - 3rd Edition 
 - New York  John Wiley  1980 
 - 503p. 
<br/><br/><label>ISBN: </label> USD 9.05 
<br/><br/><label>Source: </label> USD 9.05 
<br/><br/><label>Dewey Class. No.: </label>515.352 ROS