@article{PORMA_1949__8_1_114669,
     author = {Hadwiger, H.},
     title = {Ein {Auswahlsatz} f\"ur abgeschlossene {Punktmengen}},
     journal = {Portugaliae mathematica},
     pages = {13--15},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1949},
     mrnumber = {0031531},
     zbl = {0035.15201},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1949__8_1_114669/}
}