@article{10_4171_dm_259,
     author = {Goro Shimura},
     title = {The critical values of certain {Dirichlet} series},
     journal = {Documenta mathematica},
     pages = {775--794},
     year = {2008},
     volume = {13},
     doi = {10.4171/dm/259},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/259/}
}