@article{ELMA_1948__3_140476,
     author = {H. Hadwiger},
     title = {Die isoperimetrische {Ungleichung} im {Raum.}},
     journal = {Elemente der Mathematik},
     pages = {25--38},
     publisher = {mathdoc},
     volume = {3},
     year = {1948},
     zbl = {0029.32003},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1948__3_140476/}
}