1. Stability of functional differential equations;Kolmanovskii,1986
2. Stochastic differential equations and their applications;Mao,1997
3. A class of functional equations of neutral type;Hale;Mem Am Math Soc,1967
4. Introduction to functional differential equations;Hale,1991
5. Razumikhin-type theorems on stability of neutral stochastic functional differential equations;Huang;IEEE Trans Automat Control,2008