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@article{MM2_1992__76_1_155749, author = {S.K. Sehgal and A.A. Bovdi}, title = {Unitary subgroup of integral groups rings.}, journal = {Manuscripta mathematica}, pages = {213--222}, publisher = {mathdoc}, volume = {76}, number = {1}, year = {1992}, zbl = {0779.16014}, url = {http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155749/} }
S.K. Sehgal; A.A. Bovdi. Unitary subgroup of integral groups rings.. Manuscripta mathematica, Tome 76 (1992) no. 1, pp. 213-222. http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155749/