%0 Journal Article %A McMaster, R. J. %T Cotorsion Theories and Colocalization %J Canadian journal of mathematics %D 1975 %P 618-628 %V 27 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-072-6/ %R 10.4153/CJM-1975-072-6 %F 10_4153_CJM_1975_072_6