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@article{DAN_1966_171_2_a11, author = {G. S. Makanin}, title = {On the identity problem in finitely defined semigroups}, journal = {Doklady Akademii Nauk}, pages = {285--287}, publisher = {mathdoc}, volume = {171}, number = {2}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_2_a11/} }
G. S. Makanin. On the identity problem in finitely defined semigroups. Doklady Akademii Nauk, Tome 171 (1966) no. 2, pp. 285-287. http://geodesic.mathdoc.fr/item/DAN_1966_171_2_a11/