@article{MAN_1924__92_159059,
     author = {M. Frank},
     title = {\"Uber zentrische {Kollineation} von {Kegelschnitten}},
     journal = {Mathematische Annalen},
     pages = {83--87},
     publisher = {mathdoc},
     volume = {92},
     year = {1924},
     zbl = {50.0409.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1924__92_159059/}
}