@article{05165907,
title = {Universal norms of },
journal = {Documenta Mathematica},
volume = {12},
year = {2007},
pages = {551-565},
zbl = {1125.11065},
language = {en},
url = {http://dml.mathdoc.fr/item/05165907}
}
Kato, Kazuya. Universal norms of . Documenta Mathematica, Tome 12 (2007) pp. 551-565. http://gdmltest.u-ga.fr/item/05165907/