1. Semigroups of Linear Operators and Applications to Partial Differential Equations;Pazy,1983
2. Existence results for initial value problem for neutral functional differential equations;Arino;Journal of Differential Equations,1997
3. Existence of solutions of a nonlinear mixed neutral equations;Balachandran;Appl. Math. Lett.,1998
4. Existence of solutions of neutral functional integrodifferential equations in Banach spaces;Balachandran,1999
5. An Introduction to Functional Differential Equations;Hale,1993