@article{FPM_2008_14_8_a4,
     author = {I. V. Dobrynina},
     title = {On the freedom problem in {Coxeter} groups of extra large type},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {101--116},
     year = {2008},
     volume = {14},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2008_14_8_a4/}
}