@article{CHEB_2008_9_1_a1,
     author = {V. N. Bezverkhnii and I. V. Dobrynina},
     title = {On subgroups in {Coxeter} groups of extra large type},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {9--16},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2008_9_1_a1/}
}