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@article{MZ_1968__108_171110, author = {Manfred Knebusch}, title = {Isometrien \"uber semilokalen {Ringen.}}, journal = {Mathematische Zeitschrift}, pages = {255--268}, publisher = {mathdoc}, volume = {108}, year = {1968}, zbl = {0188.35502}, url = {http://geodesic.mathdoc.fr/item/MZ_1968__108_171110/} }
Manfred Knebusch. Isometrien über semilokalen Ringen.. Mathematische Zeitschrift, Tome 108 (1968), pp. 255-268. http://geodesic.mathdoc.fr/item/MZ_1968__108_171110/