%0 Journal Article %A C. Greither %T Extensions of finite group schemes, and Hopf Galois theory over a complete discrete valuation ring. %J Mathematische Zeitschrift %D 1992 %P 37-68 %V 210 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1992__210_1_174387/ %F MZ_1992__210_1_174387