@article{JRAM_1973__264_151392,
     author = {H. Mitsch},
     title = {Rechtsverbandshalbergruppen.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {172--181},
     publisher = {mathdoc},
     volume = {264},
     year = {1973},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1973__264_151392/}
}