Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1970_7_6_a10, author = {V. B. Kolmanovskii}, title = {Stability of nonlinear systems with delay}, journal = {Matemati\v{c}eskie zametki}, pages = {743--752}, publisher = {mathdoc}, volume = {7}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a10/} }
V. B. Kolmanovskii. Stability of nonlinear systems with delay. Matematičeskie zametki, Tome 7 (1970) no. 6, pp. 743-752. http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a10/