1. Difference Equations and Inequalities;Agarwal,2000
2. Nonoscillatory solutions of third order difference equations;Popenda;Portugaliae Mathematica,1992
3. Oscillatory and asymptotic behavior in certain third order difference equations;Smith;Rocky Mountain J. Math.,1987
4. Oscillation and nonoscillation theorems for third order quasi-adjoint difference equations;Smith;Portugaliae Mathematica,1988
5. Linear third order difference equations: Oscillatory and asymptotic behavior;Smith;Rocky Mountain J. Math.,1992