@article{MAN_1938__115_159984,
     author = {B. L. van der Waerden},
     title = {Zur algebraischen {Geometrie.} {XV.} {L\"osung} des {Charakteristikenproblems} f\"ur {Kegelschnitte}},
     journal = {Mathematische Annalen},
     pages = {645--655},
     publisher = {mathdoc},
     volume = {115},
     year = {1938},
     zbl = {0019.18006},
     url = {http://geodesic.mathdoc.fr/item/MAN_1938__115_159984/}
}