@article{MZ_1924__20_167792,
     author = {H. Pr\"ufer},
     title = {Theorie der {Abelschen} {Gruppen.} {I.} {Grundeigenschaften}},
     journal = {Mathematische Zeitschrift},
     pages = {165--187},
     publisher = {mathdoc},
     volume = {20},
     year = {1924},
     zbl = {50.0631.07},
     url = {http://geodesic.mathdoc.fr/item/MZ_1924__20_167792/}
}