%0 Journal Article %A Takuya Okamoto %A Tomokazu Onozuka %T On various mean values of Dirichlet $L$-functions %J Acta Arithmetica %D 2015 %P 101-115 %V 167 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa167-2-1/ %R 10.4064/aa167-2-1 %G en %F 10_4064_aa167_2_1