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@article{MZM_1984_35_5_a5, author = {G. U. Oganesyan}, title = {Isomorphism problem for semigroups with one defining relation}, journal = {Matemati\v{c}eskie zametki}, pages = {685--690}, publisher = {mathdoc}, volume = {35}, number = {5}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1984_35_5_a5/} }
G. U. Oganesyan. Isomorphism problem for semigroups with one defining relation. Matematičeskie zametki, Tome 35 (1984) no. 5, pp. 685-690. http://geodesic.mathdoc.fr/item/MZM_1984_35_5_a5/