@article{IM_1978__49_142595,
     author = {Lawrence Washington},
     title = {The {Non-p-Part} of the {Class} {Number} in a {Cyclotomic} {...p-Extension.}},
     journal = {Inventiones mathematicae},
     pages = {87--98},
     publisher = {mathdoc},
     volume = {49},
     year = {1978},
     zbl = {0403.12007},
     url = {http://geodesic.mathdoc.fr/item/IM_1978__49_142595/}
}