@article{MZ_1936__41_168696,
     author = {H. Hadwiger},
     title = {Ein {Satz} \"uber geschlossene {Vektorpolygone} des {Hi} {Iberischen} {Raumes}},
     journal = {Mathematische Zeitschrift},
     pages = {732--738},
     publisher = {mathdoc},
     volume = {41},
     year = {1936},
     zbl = {62.0462.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1936__41_168696/}
}