TY - JOUR AU - O. V. Bogopolskii TI - Arborial decomposability of groups of automorphisms of free JO - Algebra i logika PY - 1987 SP - 131 EP - 149 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1987_26_2_a0/ LA - ru ID - AL_1987_26_2_a0 ER -