%0 Journal Article
%A Ditor, Seymour
%T A New Kind of Free Extension for Projective Planes
%J Canadian mathematical bulletin
%D 1962
%P 167-170
%V 5
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1962-018-2/
%R 10.4153/CMB-1962-018-2
%F 10_4153_CMB_1962_018_2