@article{MAN_1966__163_161377,
     author = {E. KUNZ},
     title = {Gruppenringe und {Differentiale.}},
     journal = {Mathematische Annalen},
     pages = {346--350},
     publisher = {mathdoc},
     volume = {163},
     year = {1966},
     url = {http://geodesic.mathdoc.fr/item/MAN_1966__163_161377/}
}