@article{DE_1981_17_4_a3,
     author = {A. A. Liverovskiy},
     title = {The {H\"older} property of the {Bellman} function of plane control systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {604--613},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_4_a3/}
}