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@article{MAN_1975__215_162696, author = {Ricardo Baeza}, title = {\"Uber die {Stufe} eines semi-lokalen {Ringes.}}, journal = {Mathematische Annalen}, pages = {13--22}, publisher = {mathdoc}, volume = {215}, year = {1975}, zbl = {0287.13006}, url = {http://geodesic.mathdoc.fr/item/MAN_1975__215_162696/} }
Ricardo Baeza. Über die Stufe eines semi-lokalen Ringes.. Mathematische Annalen, Tome 215 (1975), pp. 13-22. http://geodesic.mathdoc.fr/item/MAN_1975__215_162696/