%0 Journal Article %A Byrd, K. A. %T When are Quasi-Injectives Injective? %J Canadian mathematical bulletin %D 1972 %P 599-600 %V 15 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-104-1/ %R 10.4153/CMB-1972-104-1 %F 10_4153_CMB_1972_104_1