%0 Journal Article %A O. V. Schwarzman %T Free $G$-sheaves on closed Riemann surfaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 1263-1264 %V 54 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_6_a17/ %G en %F RM_1999_54_6_a17