Ross Shepley L <br/><br/>
Introduction to ordinary differential equations 
Ross Shepley L 
 - london  blaisdell Publishing Co.         1966 
 - viii;337p 
<br/><br/><label>Standard No.: </label>22530 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B331, K6