@article{JDM_1952__55_146356,
     author = {H. Hadwiger},
     title = {Der {W\"urfel} als {K\"orper} kleinster {Relativoberfl\"ache.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {9--14},
     publisher = {mathdoc},
     volume = {55},
     year = {1952},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JDM_1952__55_146356/}
}