Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1995_209_a0, author = {A. A. Agrachev and R. V. Gamkrelidze}, title = {On the orbits of groups of diffeomorphisms and flows}, journal = {Informatics and Automation}, pages = {3--13}, publisher = {mathdoc}, volume = {209}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1995_209_a0/} }
A. A. Agrachev; R. V. Gamkrelidze. On the orbits of groups of diffeomorphisms and flows. Informatics and Automation, Singularities of smooth mappings with additional structures, Tome 209 (1995), pp. 3-13. http://geodesic.mathdoc.fr/item/TRSPY_1995_209_a0/