@article{DE_1981_17_11_a9,
     author = {A. A. Shestakov and Yu. N. Merenkov},
     title = {Localization of the limit set in a nonautonomous differential system by means of {Lyapunov} functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2017--2028},
     publisher = {mathdoc},
     volume = {17},
     number = {11},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_11_a9/}
}