@article{JRAM_1910__137_149324,
     author = {Heinrich W.E. Jung},
     title = {\"Uber den kleinsten {Kreis,} der eine ebene {Figur} einschlie{\ss}t.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {310--313},
     publisher = {mathdoc},
     volume = {137},
     year = {1910},
     zbl = {41.0564.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1910__137_149324/}
}