@article{ARM_2004_40_3_a5,
     author = {\v{S}p\'anikov\'a, Eva},
     title = {On oscillation of differential systems of neutral type},
     journal = {Archivum mathematicum},
     pages = {263--271},
     year = {2004},
     volume = {40},
     number = {3},
     mrnumber = {2107021},
     zbl = {1116.34330},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2004_40_3_a5/}
}