@article{CMH_1946__19_138890,
     author = {H. Hadwiger},
     title = {\"Uberdeckung einer {Menge} durch {Mengen} kleineren {Durchmessers} {(Mitteilung} betreffend meine {Note).}},
     journal = {Commentarii mathematici Helvetici},
     pages = {72--73},
     publisher = {mathdoc},
     volume = {19},
     year = {1946},
     zbl = {0063.01852},
     url = {http://geodesic.mathdoc.fr/item/CMH_1946__19_138890/}
}