@article{10_4064_aa112_2_4,
     author = {Olivier Ramar\'e},
     title = {Approximate formulae for $L(1,\chi )$, {II}},
     journal = {Acta Arithmetica},
     pages = {141--149},
     publisher = {mathdoc},
     volume = {112},
     number = {2},
     year = {2004},
     doi = {10.4064/aa112-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa112-2-4/}
}