@article{MAN_1973__200_162363,
     author = {D. Denneberg},
     title = {Universell-endliche {Erweiterungen} analytischer {Algebren.}},
     journal = {Mathematische Annalen},
     pages = {307--326},
     publisher = {mathdoc},
     volume = {200},
     year = {1973},
     zbl = {0268.13002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__200_162363/}
}