@article{MAN_1889__34_157435,
     author = {K\"otter},
     title = {Die {Hesse'sche} {Curve} in rein geometrischer {Behandlung}},
     journal = {Mathematische Annalen},
     pages = {123--149},
     publisher = {mathdoc},
     volume = {34},
     year = {1889},
     zbl = {21.0616.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1889__34_157435/}
}