%0 Journal Article %A Hanson, T. H. McH. %T Actions That Fiber and Vector Semigroups %J Canadian journal of mathematics %D 1972 %P 29-37 %V 24 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-004-6/ %R 10.4153/CJM-1972-004-6 %F 10_4153_CJM_1972_004_6