@article{EXMA_1998__7_4_224695,
     author = {Louboutin, St\'ephane},
     title = {Computation of relative class numbers of imaginary abelian number fields.},
     journal = {Experimental mathematics},
     pages = {293--303},
     year = {1998},
     volume = {7},
     number = {4},
     zbl = {0929.11065},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_1998__7_4_224695/}
}