@article{GDZPPN002355094,
title = {Fields generated by linear combinations of roots of unity, II.},
journal = {Mathematica Scandinavica},
volume = {43},
year = {1978},
pages = {26-34},
zbl = {0405.12007},
url = {http://dml.mathdoc.fr/item/GDZPPN002355094}
}
Evans, R.J.; Isaacs, I.M. Fields generated by linear combinations of roots of unity, II.. Mathematica Scandinavica, Tome 43 (1978) pp. 26-34. http://gdmltest.u-ga.fr/item/GDZPPN002355094/