@article{MAN_1903__56_158073,
     author = {Paul St\"ackel},
     title = {Lineare {Scharen} geod\"atischer {Linien}},
     journal = {Mathematische Annalen},
     pages = {501--506},
     publisher = {mathdoc},
     volume = {56},
     year = {1903},
     zbl = {33.0647.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1903__56_158073/}
}