%0 Journal Article %A V. V. Kozlov %T Dynamics of systems with non-integrable restrictions.~I %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1982 %P 92-100 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1982_3_a21/ %G ru %F VMUMM_1982_3_a21