@article{MAN_1927__96_159172,
     author = {H. Brandt},
     title = {\"Uber eine {Verallgemeinerung} des {Gruppenbegriffes}},
     journal = {Mathematische Annalen},
     pages = {360--366},
     publisher = {mathdoc},
     volume = {96},
     year = {1927},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1927__96_159172/}
}