%0 Journal Article %A Yu. V. Borovskii %T Two-sided closed ideals in the hyperenvelope of a semisimple Lie algebra %J Doklady Akademii Nauk %D 1982 %P 782-784 %V 265 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_265_4_a1/ %G ru %F DAN_1982_265_4_a1