@article{MAN_1922__85_158903,
     author = {A.J. Kempner},
     title = {\"Uber die {Separation} komplexer {Wurzeln} algebraischer {Gleichungen}},
     journal = {Mathematische Annalen},
     pages = {49--59},
     publisher = {mathdoc},
     volume = {85},
     year = {1922},
     zbl = {48.0088.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1922__85_158903/}
}