Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1987_23_12_a4, author = {G. N. Mil'shtein}, title = {Strictly positive {Lyapunov} functionals for linear systems with aftereffect}, journal = {Differencialʹnye uravneni\^a}, pages = {2051--2060}, publisher = {mathdoc}, volume = {23}, number = {12}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_12_a4/} }
G. N. Mil'shtein. Strictly positive Lyapunov functionals for linear systems with aftereffect. Differencialʹnye uravneniâ, Tome 23 (1987) no. 12, pp. 2051-2060. http://geodesic.mathdoc.fr/item/DE_1987_23_12_a4/