1. Oscillation Theory for Difference and Functional Differential Equations;Agarwal,2000
2. Oscillation Theory for Second Order Linear, Half-Linear, Superlinear and Sublinear Dynamic Equations;Agarwal,2002
3. Oscillation Theory for Second Order Dynamic Equations;Agarwal,2003
4. On the oscillation of certain functional differential equations via comparison methods;Agarwal;J. Math. Anal. Appl.,2003
5. The oscillation of certain higher order functional differential equations;Agarwal;Math. Comput. Modelling,2003