Ross, Shepley L <br/><br/>
Introduction to ordinary differential equations / 
Shepley L. Ross 
 - 2nd ed. 
 - Lexington, Mass :  Xerox College Pub,  1974 
 - 432 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0536008299 
<br/><br/><label>LCCN: </label>73-79298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations