%0 Journal Article %A A. A. Agrachev %A R. V. Gamkrelidze %T On the orbits of groups of diffeomorphisms and flows %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1995 %P 3-13 %V 209 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1995_209_a0/ %G ru %F TM_1995_209_a0