Ross, Shepley L.  <br/><br/>
Introduction to ordinary differential equations /  
Shepley L. Ross ; with the assistance of Shepley L. Ross,  
 - 4th edition 
 - Chichester :  John Wiley & Sons, Ltd.,   1989. 
 - xi, 609 p. :    ill. ;  26 cm.  
<br/><br/><label>ISBN: </label>9780471098812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations 
<br/><br/><label>LC Class. No.: </label>QA372  / .R815 1989