@article{DE_1992_28_11_a6,
     author = {O. V. Zubova},
     title = {An investigation on uniform {Lyapunov} stability},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1900--1906},
     publisher = {mathdoc},
     volume = {28},
     number = {11},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_11_a6/}
}