@article{MASLO_2002__52_3_a7,
     author = {He, Zhimin and Ge, Weigao},
     title = {Oscillation in second order linear delay differential equations with nonlinear impulses},
     journal = {Mathematica slovaca},
     pages = {331--341},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {2002},
     mrnumber = {1936338},
     zbl = {1019.34066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2002__52_3_a7/}
}