%0 Journal Article %A D. V. Anosov %T Some homology classes in the space of closed curves in the $n$-dimensional sphere %J Izvestiya. Mathematics %D 1982 %P 403-422 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1982_18_3_a0/ %G en %F IM2_1982_18_3_a0