@article{10_4064_aa_26_3_233_240,
     author = {Robert Gold},
     title = {Examples of {Iwasawa} invariants, {II}},
     journal = {Acta Arithmetica},
     pages = {233--240},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1974},
     doi = {10.4064/aa-26-3-233-240},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-26-3-233-240/}
}