@article{DE_1973_9_5_a18,
     author = {A. B. Vasil'eva and A. A. Plotnicov},
     title = {Certain critical cases for equations of neutral type with small lag},
     journal = {Differencialʹnye uravneni\^a},
     pages = {945--946},
     publisher = {mathdoc},
     volume = {9},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_5_a18/}
}