@article{JRAM_1950__187_150159,
     author = {W. Klobe},
     title = {\"Uber eine untere {Absch\"atzung} der n-ten {Kreisteilungspolynome} gn (z) = ... .},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {68--69},
     publisher = {mathdoc},
     volume = {187},
     year = {1950},
     zbl = {0033.34501},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1950__187_150159/}
}