%0 Journal Article %A V. N. Bezverkhniǐ %A O. Yu. Karpova %T The occurrence problem in a cyclic subgroup in Artin groups with a tree structure %J Čebyševskij sbornik %D 2008 %P 30-49 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2008_9_1_a4/ %G ru %F CHEB_2008_9_1_a4