%0 Journal Article %A S. V. Lyudkovskii %T Matrices that represent canonical elements of universal envelopes of classical Lie algebras in the Gel'fand--Tsetlin basis %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1989 %P 73-76 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1989_5_a18/ %G ru %F VMUMM_1989_5_a18