@article{DE_1996_32_6_a8,
     author = {A. Ya. Narmanov},
     title = {On the transversal structure of the controllability sets of symmetric control systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {780--783},
     publisher = {mathdoc},
     volume = {32},
     number = {6},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1996_32_6_a8/}
}