@article{SF_1976__12_134164,
     author = {B. Bosbach},
     title = {Schwache {Teilbarkeitshalbgruppen.}},
     journal = {Semigroup forum},
     pages = {119--136},
     publisher = {mathdoc},
     volume = {12},
     year = {1976},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/SF_1976__12_134164/}
}