%0 Journal Article %A V. A. Abrashkin %T Group schemes over a~discrete valuation ring with small ramification %J Algebra i analiz %D 1989 %P 60-95 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1989_1_1_a1/ %G ru %F AA_1989_1_1_a1