@article{GDZPPN002224771, title = {Period Polynomials for Generalized cyclotomic periods.}, journal = {Manuscripta mathematica}, volume = {39}, year = {1982}, pages = {217-244}, zbl = {0499.12001}, url = {http://dml.mathdoc.fr/item/GDZPPN002224771} }
Evans, Ronald J. Period Polynomials for Generalized cyclotomic periods.. Manuscripta mathematica, Tome 39 (1982) pp. 217-244. http://gdmltest.u-ga.fr/item/GDZPPN002224771/