@article{DOCMA_1998__3__a7, author = {Hida, Haruzo}, title = {Global quadratic units and {Hecke} algebras}, journal = {Documenta mathematica}, pages = {273--284}, publisher = {mathdoc}, volume = {3}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__3__a7/} }