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@article{AL_1969_8_5_a2, author = {M. A. Taitslin}, title = {Equivalence of automata with respect to a commutative semigroup}, journal = {Algebra i logika}, pages = {553--600}, publisher = {mathdoc}, volume = {8}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1969_8_5_a2/} }
M. A. Taitslin. Equivalence of automata with respect to a commutative semigroup. Algebra i logika, Tome 8 (1969) no. 5, pp. 553-600. http://geodesic.mathdoc.fr/item/AL_1969_8_5_a2/