%0 Journal Article %A Pham Huu Tiep %T Irreducible orthogonal decompositions in Lie~algebras %J Sbornik. Mathematics %D 1991 %P 257-275 %V 68 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1991_68_1_a12/ %G en %F SM_1991_68_1_a12