%0 Journal Article %A Yu. V. Borovskiǐ %T Description of two-sided closed ideals in the superenvelope of the Lie algebra ${\rm sl}(2,\mathbf C)$ %J Trudy Moskovskogo matematičeskogo obŝestva %D 1985 %P 60-76 %V 48 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1985_48_a2/ %G ru %F MMO_1985_48_a2