Journal of Applied Mathematics and Stochastic Analysis 
Volume 7 (1994), Issue 1, Pages 69-77
doi:10.1155/S1048953394000067

Oscillatory properties and asymptotic behavior of the solutions of a class of operator-differential equations

D. D. Bainov1 and M. B. Dimitrova2

 1Higher Medical Institute, Sofia, Bulgaria
2Technical University, Sliven, Bulgaria
Received 1 July 1993; Revised 1 November 1993

Abstract

In the present paper an operator-differential equation is investigated. Sufficient conditions for the presence of Kneser's properties are found.