@article{bwmeta1.element.bwnjournal-article-aav76i2p145bwm, author = {David Folk}, title = {When are global units norms of units?}, journal = {Acta Arithmetica}, volume = {76}, year = {1996}, pages = {145-147}, zbl = {0863.11079}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav76i2p145bwm} }
David Folk. When are global units norms of units?. Acta Arithmetica, Tome 76 (1996) pp. 145-147. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav76i2p145bwm/
[000] [1] J. W. S. Cassels and A. Fröhlich (eds.), Algebraic Number Theory, Academic Press, New York, 1967.
[001] [2] A. Fröhlich, Central Extensions, Galois Groups, and Ideal Class Groups of Number Fields, American Mathematical Society, 1980.