@article{10_4153_CMB_1988_049_0,
     author = {Sands, Jonathan W.},
     title = {Kummer's and {Iwasawa's} {Version} of {Leopoldt's} {Conjecture}},
     journal = {Canadian mathematical bulletin},
     pages = {338--346},
     year = {1988},
     volume = {31},
     number = {3},
     doi = {10.4153/CMB-1988-049-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-049-0/}
}