@article{10_4064_aa105_1_3,
     author = {Humio Ichimura},
     title = {A note on the ideal class group
  of the cyclotomic ${\Bbb Z}_p$-extension
  of a totally real number field},
     journal = {Acta Arithmetica},
     pages = {29--34},
     publisher = {mathdoc},
     volume = {105},
     number = {1},
     year = {2002},
     doi = {10.4064/aa105-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa105-1-3/}
}