%0 Journal Article
%A Gard, J. R.
%A Johnson, R. D.
%T Four-Dimension Equivalences
%J Canadian journal of mathematics
%D 1968
%P 48-50
%V 20
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-006-7/
%R 10.4153/CJM-1968-006-7
%F 10_4153_CJM_1968_006_7