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@article{MZM_1987_42_4_a2, author = {N. I. Dubrovin}, title = {Invertibility of the group ring of a right-ordered group over a skew field}, journal = {Matemati\v{c}eskie zametki}, pages = {508--518}, publisher = {mathdoc}, volume = {42}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1987_42_4_a2/} }
N. I. Dubrovin. Invertibility of the group ring of a right-ordered group over a skew field. Matematičeskie zametki, Tome 42 (1987) no. 4, pp. 508-518. http://geodesic.mathdoc.fr/item/MZM_1987_42_4_a2/