Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
A. B. Vasil'eva; A. A. Plotnicov. Certain critical cases for equations of neutral type with small lag. Differencialʹnye uravneniâ, Tome 9 (1973) no. 5, pp. 945-946. http://geodesic.mathdoc.fr/item/DE_1973_9_5_a18/