%0 Journal Article %A I. V. Dobrynina %T On subgroups in Artin groups with a tree structure %J Čebyševskij sbornik %D 2022 %P 118-132 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2022_23_3_a7/ %G ru %F CHEB_2022_23_3_a7