Moree, Pieter Max Planck Institute for Mathematics, Max Planck Society;
moree_values_oa_2009.pdf (Any fulltext), 96KB
Moree, P., Ji, C.-G., & Li, W.-P. (2009). Values of coefficients of cyclotomic polynomials II. Discrete Mathematics, 209(6), 1720-1723. doi:10.1016/j.disc.2008.02.011.