%0 Journal Article %A V. G. Vil'ke %T On a method of motion separation and averaging %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1991 %P 49-56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1991_3_a10/ %G ru %F VMUMM_1991_3_a10