@article{MZ_1962__80_170112,
     author = {Josef Hainzl},
     title = {\"Uber {Seminormalit\"at} in {Gruppen} und {Verb\"anden.}},
     journal = {Mathematische Zeitschrift},
     pages = {358--362},
     publisher = {mathdoc},
     volume = {80},
     year = {1962},
     zbl = {0108.25303},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__80_170112/}
}