@article{CMH_1943__16_138834,
     author = {H. Hadwiger},
     title = {\"Uber ein {Distanztheorem} bei der {A-Limitierung.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {209--214},
     year = {1943},
     volume = {16},
     zbl = {0028.39108},
     url = {http://geodesic.mathdoc.fr/item/CMH_1943__16_138834/}
}