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@article{JRAM_1976__0283_0284_151724, author = {Dennis A. Garbanati}, title = {Units with norm - 1 and signatures of units.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {164--175}, publisher = {mathdoc}, volume = {0283_0284}, year = {1976}, zbl = {0355.12004}, url = {http://geodesic.mathdoc.fr/item/JRAM_1976__0283_0284_151724/} }
Dennis A. Garbanati. Units with norm - 1 and signatures of units.. Journal für die reine und angewandte Mathematik, 0283_0284 (1976), pp. 164-175. http://geodesic.mathdoc.fr/item/JRAM_1976__0283_0284_151724/