%0 Journal Article
%A M. H. Proffitt
%T Concerning accessibility in the plane
%J Commentationes Mathematicae
%D 1974
%P  441-443
%V 17
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i2.5788/
%R 10.14708/cm.v17i2.5788
%G pl
%F 10_14708_cm_v17i2_5788