Stability on a cone in terms of two measures for differential equations with “maxima”. Dishliev, Angel; Hristova, Snezhana — 2010 Annals of Functional Analysis (AFA) [electronic only]
Oscillation of the solutions of a class of impulsive differential equations with a deviating argument. Bainov, D.D.; Dimitrova, Margarita B.; Dishliev, Angel B. — 1998 Journal of Applied Mathematics and Stochastic Analysis