%0 Journal Article
%A Forder, H. G.
%T On Order in a Plane
%J Canadian journal of mathematics
%D 1967
%P 997-1000
%V 19
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-090-0/
%R 10.4153/CJM-1967-090-0
%F 10_4153_CJM_1967_090_0