1. Oscillation of partial difference equations with continuous variables;Agarwal;Math. Comput. Modelling,2000
2. Oscillations of linear autonomous systems of difference equations;Chuanxi;Appl. Anal.,1990
3. Oscillatory properties of linear difference equations with continuous time;Domshlak;Differential Equations Dynam. Systems,1993
4. Oscillation Theory of Delay Differential Equations With Applications;Györi,1991
5. Oscillation of linear functional equations of the second order;Golda;Funkcial. Ekvac.,1994