Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
A. Ya. Narmanov. On the transversal structure of the controllability sets of symmetric control systems. Differencialʹnye uravneniâ, Tome 32 (1996) no. 6, pp. 780-783. http://geodesic.mathdoc.fr/item/DE_1996_32_6_a8/