@article{GDZPPN002323729, title = {An Upper Bound for the ...-Invariant of Imaginary Abelian Fields.}, journal = {Mathematische Annalen}, volume = {264}, year = {1983}, pages = {5-8}, zbl = {0497.12002}, url = {http://dml.mathdoc.fr/item/GDZPPN002323729} }
Metsänkylä, Tauno. An Upper Bound for the ...-Invariant of Imaginary Abelian Fields.. Mathematische Annalen, Tome 264 (1983) pp. 5-8. http://gdmltest.u-ga.fr/item/GDZPPN002323729/