@article{DOCMA_2006__S5__a9,
     author = {Kato, Kazuya},
     title = {Universal norms of $p$-units in some non-commutative {Galois} extensions},
     journal = {Documenta mathematica},
     pages = {551--565},
     publisher = {mathdoc},
     volume = {John H. Coates' Sixtieth Birthday},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2006__S5__a9/}
}