ISSN : 1226-0657
(1999) On the recursive sequencexn+1 = ?? + xn¡1=xn,
(2000) On the recursive sequence xn+1 = (?? +¯xn¡1)=(° + xn). ,
(2000) On the recursive sequence yn+1 =(p + yn¡1)=(qyn + yn¡1).,
(1993) Global behavior of nonlinear di??erence equations of higherorder with applications, Kluwer Academic Pub-lishers Group
(1998) Oscillation theorems for second-order advanced functionaldi??erence equations, Hebei Normal University Hebei Normal Univer-sity