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@article{AL_1976_15_5_a3, author = {V. M. Levchuk}, title = {Connections between the unitriangular group and certain rings. {I}}, journal = {Algebra i logika}, pages = {558--578}, publisher = {mathdoc}, volume = {15}, number = {5}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1976_15_5_a3/} }
V. M. Levchuk. Connections between the unitriangular group and certain rings. I. Algebra i logika, Tome 15 (1976) no. 5, pp. 558-578. http://geodesic.mathdoc.fr/item/AL_1976_15_5_a3/