TY - JOUR AU - V. I. Trofimov TI - The finiteness of the number of symmetrical extensions of a locally finite tree by a finite graph JO - Trudy Instituta matematiki i mehaniki PY - 2015 SP - 303 EP - 308 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2015_21_3_a29/ LA - ru ID - TIMM_2015_21_3_a29 ER -