@article{10_4064_aa109_3_1,
     author = {Marc Perret and Nicolas Saby},
     title = {Sur les modules {d'Iwasawa} des ${\Bbb Z}_p^*/\{\pm 1\}$-extensions},
     journal = {Acta Arithmetica},
     pages = {207--217},
     publisher = {mathdoc},
     volume = {109},
     number = {3},
     year = {2003},
     doi = {10.4064/aa109-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa109-3-1/}
}