%0 Journal Article
%A V. N. Bezverkhniy
%A I. V. Dobrynina
%T On free subgroup in Artin group with tree-structure
%J Čebyševskij sbornik
%D 2014
%P 32-42
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CHEB_2014_15_1_a3/
%G ru
%F CHEB_2014_15_1_a3