TY  - JOUR
AU  - V. N. Bezverkhniy
AU  - I. V. Dobrynina
TI  - On free subgroup in Artin group with tree-structure
JO  - Čebyševskij sbornik
PY  - 2014
SP  - 32
EP  - 42
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CHEB_2014_15_1_a3/
LA  - ru
ID  - CHEB_2014_15_1_a3
ER  -