@article{GDZPPN002356686, title = {Values of cyclotomic polynomials at roots of unity.}, journal = {Mathematica Scandinavica}, volume = {48}, year = {1981}, pages = {15-35}, zbl = {0446.12001}, url = {http://dml.mathdoc.fr/item/GDZPPN002356686} }
Kurshan, R.P.; Odlyzoko, A.M. Values of cyclotomic polynomials at roots of unity.. Mathematica Scandinavica, Tome 48 (1981) pp. 15-35. http://gdmltest.u-ga.fr/item/GDZPPN002356686/