@article{10_4064_aa_64_2_189_204,
     author = {Kurt Girstmair},
     title = {On the l-divisibility of the relative class number of certain cyclic number fields},
     journal = {Acta Arithmetica},
     pages = {189--204},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1993},
     doi = {10.4064/aa-64-2-189-204},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-64-2-189-204/}
}