@article{MZ_1968__106_171030,
     author = {Volkmar Felsch and Eckart Schmidt},
     title = {\"Uber {Perioden} in den {Koeffizienten} der {Kreisteilungspolynome} {F...(x).}},
     journal = {Mathematische Zeitschrift},
     pages = {267--272},
     publisher = {mathdoc},
     volume = {106},
     year = {1968},
     zbl = {0162.34401},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__106_171030/}
}