@article{JRAM_1962__209_150509,
     author = {Peter Roquette},
     title = {\"Uber den {Singularit\"atsgrad} eindimensionaler {Ringe.} {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {12--16},
     publisher = {mathdoc},
     volume = {209},
     year = {1962},
     zbl = {0105.02904},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1962__209_150509/}
}