@article{DE_1979_15_5_a5,
     author = {A. A. Shestakov and Yu. N. Merenkov},
     title = {Ljapunov stability and attracting sets relative to a nonautonomous differential system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {815--827},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_5_a5/}
}