1. Difference Equations and Inequalities;Agarwal,1992
2. Global Behavior of Nonlinear Difference Equations of Higher Order with Applications;Kocic,1993
3. Open problems and conjectures;Ladas;J. Differen. Equat. Appl.,1998
4. Global asymptotic stability of a kind of nonlinear delay difference equations;Xianyi;Appl. Math.––JCU, Ser. B,2002
5. Positive solution difference equations: some results and applications;Nesemann;Nonlinear Anal.,2001