%0 Journal Article
%A KÁROLY BEZDEK
%T A remark about the directed line-elements in the plane
%J Beiträge zur Algebra und Geometrie
%D 1986
%P 89-94
%V 22
%I mathdoc
%U http://geodesic.mathdoc.fr/item/BAG_1986__22_138338/
%F BAG_1986__22_138338