@article{JRAM_1884__97_148574,
     author = {Rudolf Sturm},
     title = {W\"urfel und regul\"ares {Tetraeder} als {Maximum} und {Minimum.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {97},
     year = {1884},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1884__97_148574/}
}