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@article{MZM_2019_105_3_a15, author = {A. I. Rubinshtein}, title = {On a {Set} of {Weakly} {Multiplicative} {Systems}}, journal = {Matemati\v{c}eskie zametki}, pages = {471--475}, publisher = {mathdoc}, volume = {105}, number = {3}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2019_105_3_a15/} }
A. I. Rubinshtein. On a Set of Weakly Multiplicative Systems. Matematičeskie zametki, Tome 105 (2019) no. 3, pp. 471-475. http://geodesic.mathdoc.fr/item/MZM_2019_105_3_a15/