%0 Journal Article %A V. M. Petrogradsky %T On numerical characteristics of subvarieties for three varieties of Lie algebras %J Sbornik. Mathematics %D 1999 %P 887-902 %V 190 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1999_190_6_a5/ %G en %F SM_1999_190_6_a5