%0 Journal Article %A V. V. Beniash-Kryvets %A Y. A. Yushkevich %T On the Tits alternative for generalized tetraedron groups of type $(2, 2, N, 2, 2, 2)$ %J Problemy fiziki, matematiki i tehniki %D 2019 %P 54-60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2019_2_a6/ %G ru %F PFMT_2019_2_a6