Saaty, Thomas L. <br/><br/>
Modern nonlinear equations / 
Thomas L. Saaty. 
 - New York :  Dover Publications,  1981. 
 - 471 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0486642321 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Difference equations
<br/><br/><label>LC Class. No.: </label>QA427