WALTE G. KELLEY & ALLAN C.PETERSON <br/><br/>
Difference Equations 

 - 2nd 
 - Bound  Elsevier  2001 
 - 403 
<br/><br/><label>ISBN: </label>978-81-312-0233-3 
<br/><br/><label>Dewey Class. No.: </label>519.625