%0 Journal Article %A M. R. Soloveichik %T Ergodic properties of systems with an external potential in classical statistical mechanics %J Izvestiya. Mathematics %D 1990 %P 181-200 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_34_1_a7/ %G en %F IM2_1990_34_1_a7