@article{GMJ_1999__6_2_48293, author = {Bainov, D.D. and Dimitrova, M.B.}, title = {Sufficient conditions for the oscillation to bounded solutions of a class of impulsive differential equations of second order with a constant delay.}, journal = {Georgian Mathematical Journal}, pages = {99--106}, publisher = {mathdoc}, volume = {6}, number = {2}, year = {1999}, zbl = {0926.34056}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_1999__6_2_48293/} }