1. Phase space for retarded equations with infinite delay;Hale;Funkcialaj Ekvacioj,1978
2. Asymptotic Behavior of Dissipative System;Hale;Amer. Math. Soc.,1988
3. Periodic solutions of quasi-linear partial functional differential equations with unbounded delay;Henríquez;Funkcialaj Ekvacioj,1994
4. Functional differential equations with infinite delay in Banach space;Liang;Int. J. Math. Math. Sci.,1991