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@article{CMUC_1972__13_3_a2, author = {Duckenfield, Christopher J.}, title = {$\ast$-biregular rings}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {431--436}, publisher = {mathdoc}, volume = {13}, number = {3}, year = {1972}, mrnumber = {0313303}, zbl = {0242.16009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1972__13_3_a2/} }
Duckenfield, Christopher J. $\ast$-biregular rings. Commentationes Mathematicae Universitatis Carolinae, Tome 13 (1972) no. 3, pp. 431-436. http://geodesic.mathdoc.fr/item/CMUC_1972__13_3_a2/