@article{PIM_1996_N_S_59_73_a4,
     author = {Drumi D. Bainov and Margarita B. Dimitrova and Pavel S. Simeonov},
     title = {Sufficient {Conditions} for {Oscillation} of the {Solutions} of a {Class} of {Impulsive} {Differential} {Equations} {With} {Advanced} {Argument}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {39 },
     publisher = {mathdoc},
     volume = {_N_S_59},
     number = {73},
     year = {1996},
     zbl = {0965.34056},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1996_N_S_59_73_a4/}
}