Addendum to asymptotic stability in differential equations with unbounded delay. Burton, T.A.; Somolinos, Alfredo — 2001 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Asymptotic stability in differential equations with unbounded delay. Burton, T.A.; Somolinos, Alfredo — 1999 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]