1. Oscillation Theory for Difference and Functional Differential Equations;Agarwal,2000
2. Oscillation theorems for certain neutral functional differential equations;Agarwal;Comput. Math. Appl.,1999
3. Oscillation theorems for nth-order neutral functional differential equations;Candan;Math. Comput. Modelling,2006
4. Oscillation behavior of solutions for even order neutral functional differential equations;Candan;Appl. Math. Mech. (English Ed.),2006
5. Oscillation theorems for n-th order nonlinear differential equations with deviating arguments;Grace;Proc. Amer. Math. Soc.,1984