@article{MZ_1967__101_170837,
     author = {R.J. Nunke},
     title = {Homology and {Direct} {Sums} of {Countable} {Abelian} {Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {182--212},
     publisher = {mathdoc},
     volume = {101},
     year = {1967},
     zbl = {0173.02401},
     url = {http://geodesic.mathdoc.fr/item/MZ_1967__101_170837/}
}