%0 Journal Article %A V. G. Vil'ke %T Separation of motions and the averaging method in the mechanics of systems with an infinite number of degrees of freedom %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1983 %P 54-59 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1983_5_a12/ %G ru %F VMUMM_1983_5_a12