@article{MOMA_1958__62_177030,
     author = {F. Heigl},
     title = {\"Uber die {Absch\"atzung} der {Wurzeln} algebraischer {Gleichungen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {16--55},
     publisher = {mathdoc},
     volume = {62},
     year = {1958},
     zbl = {0083.00902},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1958__62_177030/}
}