@article{GDZPPN002104350, title = {Global units and ideal class groups.}, journal = {Inventiones mathematicae}, volume = {88}, year = {1987}, pages = {511-526}, zbl = {0628.12007}, url = {http://dml.mathdoc.fr/item/GDZPPN002104350} }
Rubin, K. Global units and ideal class groups.. Inventiones mathematicae, Tome 88 (1987) pp. 511-526. http://gdmltest.u-ga.fr/item/GDZPPN002104350/