@article{MZ_1976__146_172307,
     author = {Wolfgang Gasch\"utz},
     title = {Untergruppenkriterien f\"ur abelsche {Gruppen.}},
     journal = {Mathematische Zeitschrift},
     pages = {189--200},
     year = {1976},
     volume = {146},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1976__146_172307/}
}