@article{MZ_1931__33_168291,
     author = {J., Levitzki},
     title = {\"Uber vollst\"andig reduzible {Ringe} und {Unterringe}},
     journal = {Mathematische Zeitschrift},
     pages = {663--691},
     publisher = {mathdoc},
     volume = {33},
     year = {1931},
     zbl = {0002.11701},
     url = {http://geodesic.mathdoc.fr/item/MZ_1931__33_168291/}
}