%0 Journal Article %A V. M. Volosov %T Averaging of some perturbed motions %J Doklady Akademii Nauk %D 1960 %P 261-264 %V 133 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_2_a2/ %G ru %F DAN_1960_133_2_a2