%0 Journal Article %A P. I. Katsylo %T Sections of sheets in a~reductive algebraic Lie algebra %J Izvestiya. Mathematics %D 1983 %P 449-458 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1983_20_3_a2/ %G en %F IM2_1983_20_3_a2