%0 Journal Article %A Jaworski, Wojciech %T Exponential Boundedness and Amenability of Open Subsemigroupsof Locally Compact Groups %J Canadian journal of mathematics %D 1994 %P 1263-1274 %V 46 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-071-2/ %R 10.4153/CJM-1994-071-2 %F 10_4153_CJM_1994_071_2