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@article{DE_1981_17_2_a0, author = {A. V. Boltyanskii}, title = {Some forms of local controllability}, journal = {Differencialʹnye uravneni\^a}, pages = {203--209}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_2_a0/} }
A. V. Boltyanskii. Some forms of local controllability. Differencialʹnye uravneniâ, Tome 17 (1981) no. 2, pp. 203-209. http://geodesic.mathdoc.fr/item/DE_1981_17_2_a0/