@article{10_4064_aa160_1_5,
     author = {Hugo Castillo and Andrew Jones},
     title = {On the values of {Artin} $L$-series at $s=1$ and
 annihilation of class groups},
     journal = {Acta Arithmetica},
     pages = {67--93},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2013},
     doi = {10.4064/aa160-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa160-1-5/}
}