%0 Journal Article %A Moore, J. Douglas %A Hewett, Edwin J. %T Abelian Groups in Which Every α-Pure Subgroup is β-Pure %J Canadian journal of mathematics %D 1973 %P 560-566 %V 25 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-057-9/ %R 10.4153/CJM-1973-057-9 %F 10_4153_CJM_1973_057_9