@article{JRAM_1885__98_148612,
     author = {Corrado Segre},
     title = {Sur les courbes de tangentes principales des surfaces de {Kummer.} {(Extrait} d'une lettre adress\'ee \`a {M.} {Th.} {Reye} par {M.} {Corrado} {Segre).}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {301--303},
     publisher = {mathdoc},
     volume = {98},
     year = {1885},
     zbl = {17.0773.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1885__98_148612/}
}