@article{MOMA_1957__61_177021,
     author = {Wilfried N\"obauer},
     title = {\"Uber eine {Klasse} von {...-Untergruppen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {195--208},
     publisher = {mathdoc},
     volume = {61},
     year = {1957},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1957__61_177021/}
}