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@article{DAN_1968_178_4_a8, author = {M. A. Taitslin}, title = {Algorithmic problems for commutative semigroups}, journal = {Doklady Akademii Nauk}, pages = {786--789}, publisher = {mathdoc}, volume = {178}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_4_a8/} }
M. A. Taitslin. Algorithmic problems for commutative semigroups. Doklady Akademii Nauk, Tome 178 (1968) no. 4, pp. 786-789. http://geodesic.mathdoc.fr/item/DAN_1968_178_4_a8/