%0 Journal Article
%A L. M. Litvin
%A V. V. Rudnev
%T On almost-periodic oscillations in mechanical systems
%J Doklady Akademii Nauk
%D 1991
%P 1329-1333
%V 317
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_317_6_a9/
%G ru
%F DAN_1991_317_6_a9