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@article{AL_1976_15_6_a0, author = {S. I. Adian}, title = {Word transformations in a semigroup that is given by a system of}, journal = {Algebra i logika}, pages = {611--621}, publisher = {mathdoc}, volume = {15}, number = {6}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1976_15_6_a0/} }
S. I. Adian. Word transformations in a semigroup that is given by a system of. Algebra i logika, Tome 15 (1976) no. 6, pp. 611-621. http://geodesic.mathdoc.fr/item/AL_1976_15_6_a0/