@article{MAN_1882__19_157007,
     author = {Gordan},
     title = {Ueber {B\"uschel} von {Kegelschnitten}},
     journal = {Mathematische Annalen},
     pages = {529--552},
     publisher = {mathdoc},
     volume = {19},
     year = {1882},
     url = {http://geodesic.mathdoc.fr/item/MAN_1882__19_157007/}
}