TY - JOUR AU - P. A. Zalesskii AU - O. V. Mel'nikov TI - Subgroups of profinite groups acting on trees JO - Sbornik. Mathematics PY - 1989 SP - 405 EP - 424 VL - 63 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1989_63_2_a9/ LA - en ID - SM_1989_63_2_a9 ER -