%0 Journal Article %A M. M. Vinogradov %T Co-connections and integral forms %J Doklady Akademii Nauk %D 1994 %P 295-297 %V 338 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_338_3_a0/ %G ru %F DAN_1994_338_3_a0