@article{DE_1984_20_2_a6,
     author = {A. N. Kulik and V. L. Kulik},
     title = {Lyapunov's function and dichotomy on semiaxes of linear systems of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {233--241},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_2_a6/}
}