%0 Journal Article
%A Lau, Anthony To-Ming
%T Invariant Means on Dense Subsemigroups of Topological Groups
%J Canadian journal of mathematics
%D 1971
%P 797-801
%V 23
%N 5
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-088-4/
%R 10.4153/CJM-1971-088-4
%F 10_4153_CJM_1971_088_4