@article{MAN_1930__102_159378,
     author = {K. Shoda},
     title = {\"Uber die {Einheitengruppe} eines endlichen {Ringes}},
     journal = {Mathematische Annalen},
     pages = {273--282},
     publisher = {mathdoc},
     volume = {102},
     year = {1930},
     zbl = {55.0678.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1930__102_159378/}
}