%0 Journal Article
%A Gilbert Baumslag
%A Urs Stammbach
%T A Non-free Parafree Group All of Whose Countable Subgroups are Free.
%J Mathematische Zeitschrift
%D 1976
%P 63-66
%V 148
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1976__148_172350/
%F MZ_1976__148_172350