%0 Journal Article
%A Maria Moszyńska
%T Various approaches to the fundamental groups
%J Fundamenta Mathematicae
%D 1973
%P 107-118
%V 78
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-78-2-107-118/
%R 10.4064/fm-78-2-107-118
%G en
%F 10_4064_fm_78_2_107_118