@article{JLT_2002_12_1_JLT_2002_12_1_a12,
     author = {G. A. Noskov and E. B. Vinberg },
     title = {Strong {Tits} {Alternative} for {Subgroups} of {Coxeter} {Groups}},
     journal = {Journal of Lie theory},
     pages = {259--264},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2002},
     url = {http://geodesic.mathdoc.fr/item/JLT_2002_12_1_JLT_2002_12_1_a12/}
}