%0 Journal Article %A Timothy All %T Gauss sums, Stickelberger’s theorem and the Gras conjecture for ray class groups %J Acta Arithmetica %D 2017 %P 273-299 %V 178 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa8537-2-2017/ %R 10.4064/aa8537-2-2017 %G en %F 10_4064_aa8537_2_2017