Ch. Hou et Fr. Gao, Criteria for quantitative stability for a class of Razumikhin-type retarded functional differential equations, J MATH ANAL, 238(2), 1999, pp. 558-566
The quantitative stability properties and trajectory bound estimates for a
class of retarded functional differential equations (RFDEs), which is chara
cterized via Razumikhin-type conditions, are investigated in this paper, re
sulting in more generalized and improved criteria for RFDEs. (C) 1999 Acade
mic Press.