%0 Journal Article %A Kato, Kazuya %T Universal norms of $p$-units in some non-commutative Galois extensions %J Documenta mathematica %D 2006 %P 551-565 %V John H. Coates' Sixtieth Birthday %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2006__S5__a9/ %G en %F DOCMA_2006__S5__a9