Journal of Applied Mathematics and Stochastic Analysis 
Volume 11 (1998), Issue 1, Pages 95-102
doi:10.1155/S1048953398000082

Oscillation of the solutions of a class of impulsive differential equations with a deviating argument

D. D. Bainov,1 Margarita B. Dimitrova,2 and Angel B. Dishliev3

1Higher Medical Institute, P.O. Box 45, Sofia 1504, Bulgaria
2Technical University, Sliven, Bulgaria
3University of Technology, Sofia, Bulgaria

Received 1 January 1995; Revised 1 May 1997

Abstract

Sufficient conditions are found for oscillation of all solutions of a class of impulsive differential equations with deviating argument.