@article{JRAM_1931__164_149744,
     author = {Wolfgang Krull},
     title = {Eine {Bemerkung} \"uber rationalzahlige {Potenzreihen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {23--26},
     publisher = {mathdoc},
     volume = {164},
     year = {1931},
     zbl = {0001.05302},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1931__164_149744/}
}