%0 Journal Article %A Li, Boyu %T Normal Extensions of Representations of Abelian Semigroups %J Canadian mathematical bulletin %D 2016 %P 564-574 %V 59 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-021-x/ %R 10.4153/CMB-2016-021-x %F 10_4153_CMB_2016_021_x