%0 Journal Article %A Olivier Ramaré %T Approximate formulae for $L(1,\chi )$ %J Acta Arithmetica %D 2001 %P 245-266 %V 100 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa100-3-2/ %R 10.4064/aa100-3-2 %G en %F 10_4064_aa100_3_2