%0 Journal Article %A V. N. Bezverkhnii %A I. V. Dobrynina %T On subgroups in Coxeter groups of extra large type %J Čebyševskij sbornik %D 2008 %P 9-16 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2008_9_1_a1/ %G ru %F CHEB_2008_9_1_a1