@article{10_4064_aa_72_4_347_359,
     author = {Franz Lemmermeyer},
     title = {Ideal class groups of cyclotomic number fields {I}},
     journal = {Acta Arithmetica},
     pages = {347--359},
     publisher = {mathdoc},
     volume = {72},
     number = {4},
     year = {1995},
     doi = {10.4064/aa-72-4-347-359},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-72-4-347-359/}
}