%0 Journal Article %A Sh. Sh. Ibraev %T On the Second Cohomology of an Algebraic Group and of Its Lie Algebra in a Positive Characteristic %J Matematičeskie zametki %D 2017 %P 723-732 %V 101 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2017_101_5_a7/ %G ru %F MZM_2017_101_5_a7