Kelley, Walter G. <br/><br/>
Difference Equations an Introduction with Applications 
Watter G. Kelley 
 - 2nd, ed. 
 - New York  Academic Press  2006 
 - ix, 403p. 
<br/><br/><label>ISBN: </label>813120233X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations
<br/><br/><label>Dewey Class. No.: </label>515.35 KEL