%0 Journal Article %A Oppelt, John A. %T Mixed Abelian Groups %J Canadian journal of mathematics %D 1967 %P 1259-1262 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-115-8/ %R 10.4153/CJM-1967-115-8 %F 10_4153_CJM_1967_115_8