@article{JRAM_1938__178_150024,
     author = {Hans Fitting},
     title = {Der {Normenbegriff} f\"ur die {Ideale} eines {Ringes} beliebiger {Struktur.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {107--122},
     publisher = {mathdoc},
     volume = {178},
     year = {1938},
     zbl = {0018.29004},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1938__178_150024/}
}