%0 Journal Article
%A Alexandrov, A. D.
%T A Contribution to Chronogeometry
%J Canadian journal of mathematics
%D 1967
%P 1119-1128
%V 19
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-102-6/
%R 10.4153/CJM-1967-102-6
%F 10_4153_CJM_1967_102_6