%0 Journal Article %A Helzer, Garry %T On Divisibility and Injectivity %J Canadian journal of mathematics %D 1966 %P 901-919 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-091-2/ %R 10.4153/CJM-1966-091-2 %F 10_4153_CJM_1966_091_2