@article{AFM_1966_371-390_a3,
     author = {Timo Lepist\"o},
     title = {On the first factor of the class number of the cyclotomic field and {Dirichlet's} {L-functions}},
     journal = {Annales Fennici Mathematici},
     publisher = {mathdoc},
     volume = {371-390},
     year = {1966},
     doi = {10.5186/aasfm.1966.387},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1966.387/}
}