%0 Journal Article
%A Jeremy Brazas
%T Open subgroups of free topological groups
%J Fundamenta Mathematicae
%D 2014
%P 17-40
%V 226
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm226-1-2/
%R 10.4064/fm226-1-2
%G en
%F 10_4064_fm226_1_2