@article{ELMA_1952__7_140583,
     author = {H. Hadwiger},
     title = {Einlagerung kongruenter {Kugeln} in eine {Kugel.}},
     journal = {Elemente der Mathematik},
     pages = {97--103},
     publisher = {mathdoc},
     volume = {7},
     year = {1952},
     zbl = {0047.15903},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1952__7_140583/}
}