%0 Journal Article
%A Martin, Harold W.
%T Derived Subspaces of Metric Spaces
%J Canadian mathematical bulletin
%D 1980
%P 465-467
%V 23
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-070-0/
%R 10.4153/CMB-1980-070-0
%F 10_4153_CMB_1980_070_0