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@article{MZ_1988__198_3_173942, author = {Victoria Powers}, title = {Higher {Level} {Reduced} {Witt} {Rings} of {Skew} {Fields.}}, journal = {Mathematische Zeitschrift}, pages = {545--554}, publisher = {mathdoc}, volume = {198}, number = {3}, year = {1988}, zbl = {0627.10014}, url = {http://geodesic.mathdoc.fr/item/MZ_1988__198_3_173942/} }
Victoria Powers. Higher Level Reduced Witt Rings of Skew Fields.. Mathematische Zeitschrift, Tome 198 (1988) no. 3, pp. 545-554. http://geodesic.mathdoc.fr/item/MZ_1988__198_3_173942/