%0 Journal Article
%A Richard Duke
%T Open mappings of graphs and manifolds
%J Fundamenta Mathematicae
%D 1967
%P 149-155
%V 60
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-60-2-149-155/
%R 10.4064/fm-60-2-149-155
%G en
%F 10_4064_fm_60_2_149_155