@article{ELMA_1946__1_140438,
     author = {E. Batschelet},
     title = {\"Uber die {Absch\"atzung} der {Wurzeln} algebraischer {Gleichungen.}},
     journal = {Elemente der Mathematik},
     pages = {73--81},
     year = {1946},
     volume = {1},
     zbl = {0060.05601},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1946__1_140438/}
}