@article{JRAM_1950__188_150178,
     author = {Helmut Hasse},
     title = {Zum {Existenzsatz} von {Grunwald} in der {Klassenk\"orpertheorie.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {40--64},
     publisher = {mathdoc},
     volume = {188},
     year = {1950},
     zbl = {0039.03102},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1950__188_150178/}
}