@article{JRAM_1973__0262_0263_151374,
     author = {Peter Roquette},
     title = {Principal ideal theorems for holomorphy rings in fields.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {361--374},
     publisher = {mathdoc},
     volume = {0262_0263},
     year = {1973},
     zbl = {0271.13009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1973__0262_0263_151374/}
}