%0 Journal Article %A V. I. Arnautov %A G. N. Ermakova %T On the number of group topologies on countable groups %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2014 %P 101-112 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2014_1_a6/ %G en %F BASM_2014_1_a6