TY - JOUR AU - V. I. Arnautov AU - G. N. Ermakova TI - On the number of group topologies on countable groups JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2014 SP - 101 EP - 112 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2014_1_a6/ LA - en ID - BASM_2014_1_a6 ER -