@article{MOMA_1959__63_177071,
     author = {Franz Heigl},
     title = {Einige {Schranken} f\"ur die {Absolutbetr\"age} der {Wurzeln} algebraischer {Gleichungen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {287--297},
     publisher = {mathdoc},
     volume = {63},
     year = {1959},
     zbl = {0103.25301},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1959__63_177071/}
}