Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1970_6_7_a10, author = {V. B. Kolmanovskii}, title = {The stability of linear equations of neutral type}, journal = {Differencialʹnye uravneni\^a}, pages = {1235--1246}, publisher = {mathdoc}, volume = {6}, number = {7}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_7_a10/} }
V. B. Kolmanovskii. The stability of linear equations of neutral type. Differencialʹnye uravneniâ, Tome 6 (1970) no. 7, pp. 1235-1246. http://geodesic.mathdoc.fr/item/DE_1970_6_7_a10/