TY - JOUR AU - E. L. Pervova TI - Everywhere Dense Subgroups of One Group of Tree Automorphisms JO - Informatics and Automation PY - 2000 SP - 356 EP - 367 VL - 231 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2000_231_a13/ LA - ru ID - TRSPY_2000_231_a13 ER -