@article{10_4064_aa100_3_2,
     author = {Olivier Ramar\'e},
     title = {Approximate formulae for $L(1,\chi )$},
     journal = {Acta Arithmetica},
     pages = {245--266},
     publisher = {mathdoc},
     volume = {100},
     number = {3},
     year = {2001},
     doi = {10.4064/aa100-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa100-3-2/}
}