%0 Journal Article %A Schafer, James A. %T Abelian Groups with a Vanishing Homology Group %J Canadian journal of mathematics %D 1969 %P 406-409 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-043-1/ %R 10.4153/CJM-1969-043-1 %F 10_4153_CJM_1969_043_1