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@article{DE_1994_30_11_a3, author = {V. I. Elkin}, title = {Affine control systems, affine distributions and $t$-codistributions}, journal = {Differencialʹnye uravneni\^a}, pages = {1869--1879}, publisher = {mathdoc}, volume = {30}, number = {11}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_11_a3/} }
V. I. Elkin. Affine control systems, affine distributions and $t$-codistributions. Differencialʹnye uravneniâ, Tome 30 (1994) no. 11, pp. 1869-1879. http://geodesic.mathdoc.fr/item/DE_1994_30_11_a3/