%0 Journal Article
%A L. P. Lisovik
%T $\Sigma TC$-generated languages and relative equivalence problems
%J Diskretnaya Matematika
%D 1997
%P 139-160
%V 9
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1997_9_2_a14/
%G ru
%F DM_1997_9_2_a14