@article{MZ_1923__17_167727,
     author = {H., Pr\"ufer},
     title = {Untersuchungen \"uber die {Zerlegbarkeit} der abz\"ahlbaren prim\"aren {Abelschen} {Gruppen}},
     journal = {Mathematische Zeitschrift},
     pages = {35--61},
     publisher = {mathdoc},
     volume = {17},
     year = {1923},
     zbl = {49.0084.03},
     url = {http://geodesic.mathdoc.fr/item/MZ_1923__17_167727/}
}