%0 Journal Article
%A Chattopadhyay, K. C.
%A Thron, W. J.
%T Extensions of Closure Spaces
%J Canadian journal of mathematics
%D 1977
%P 1277-1286
%V 29
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-127-6/
%R 10.4153/CJM-1977-127-6
%F 10_4153_CJM_1977_127_6