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@article{MZM_2000_67_3_a6, author = {A. S. Oliinyk and V. I. Sushchanskii}, title = {Free group of infinite unitriangular matrices}, journal = {Matemati\v{c}eskie zametki}, pages = {382--386}, publisher = {mathdoc}, volume = {67}, number = {3}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_3_a6/} }
A. S. Oliinyk; V. I. Sushchanskii. Free group of infinite unitriangular matrices. Matematičeskie zametki, Tome 67 (2000) no. 3, pp. 382-386. http://geodesic.mathdoc.fr/item/MZM_2000_67_3_a6/