%0 Journal Article %A V. I. Zubov %T The problem of the accumulation of oscillations in mechanical %J Doklady Akademii Nauk %D 1989 %P 24-26 %V 305 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_305_1_a4/ %G ru %F DAN_1989_305_1_a4