%0 Journal Article
%A Shapiro, H. L.
%T Extensions of Pseudometrics
%J Canadian journal of mathematics
%D 1966
%P 981-998
%V 18
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-099-0/
%R 10.4153/CJM-1966-099-0
%F 10_4153_CJM_1966_099_0