@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/}
}