@article{JRAM_1958__199_150362,
     author = {Heinrich-Wolfgang Leopoldt},
     title = {Zur {Struktur} der {l-Klassengruppe} galoisscher {Zahlk\"orper.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {165--174},
     publisher = {mathdoc},
     volume = {199},
     year = {1958},
     zbl = {0082.25402},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1958__199_150362/}
}