@article{BAG_1981__12_138207,
     author = {A. WIDIGER},
     title = {Zur {Existenz} eines {(Rechts-,} {Links-)} {Einselementes} in im engeren {Sinne} linear kompakten {Ringen}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {45--50},
     publisher = {mathdoc},
     volume = {12},
     year = {1981},
     zbl = {0482.16033},
     url = {http://geodesic.mathdoc.fr/item/BAG_1981__12_138207/}
}