@article{ELMA_1955__10_140634,
     author = {H. Hadwiger},
     title = {Volumsch\"atzung f\"ur die einen {Eik\"orper} \"uberdeckenden und unterdeckenden {Parallelotope.}},
     journal = {Elemente der Mathematik},
     pages = {122--124},
     publisher = {mathdoc},
     volume = {10},
     year = {1955},
     zbl = {0066.40605},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1955__10_140634/}
}