%0 Journal Article %A Ya. G. Sinai %A K. M. Khanin %T Smoothness of conjugacies of diffeomorphisms of the circle with rotations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 69-99 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_1_a3/ %G en %F RM_1989_44_1_a3