@article{DE_1969_5_5_a4,
     author = {E. N. Gersht},
     title = {A generalization of {Ljapunov's} first theorem on stability to certain classes of differential equations in a {Banach} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {833--847},
     publisher = {mathdoc},
     volume = {5},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a4/}
}