%0 Journal Article %A V. N. Tolstoy %T Extremal projections for contragredient Lie algebras and superalgebras of finite growth %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 257-258 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_1_a24/ %G en %F RM_1989_44_1_a24