%0 Journal Article %A Wong, James C. S. %T A Characterisation of Locally Compact Amenable Subsemigroups %J Canadian mathematical bulletin %D 1980 %P 305-312 %V 23 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-042-6/ %R 10.4153/CMB-1980-042-6 %F 10_4153_CMB_1980_042_6