@article{CMJ_2005__55_1_a18,
     author = {Ba\v{c}ov\'a, Beatrix and Dorociakov\'a, Bo\v{z}ena},
     title = {Oscillation of nonlinear differential systems with retarded arguments},
     journal = {Czechoslovak Mathematical Journal},
     pages = {255--262},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {2005},
     mrnumber = {2121671},
     zbl = {1081.34080},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2005__55_1_a18/}
}