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@article{TRSPY_1973_133_a10, author = {G. A. Gurevich}, title = {On the conjugacy problem for groups with a~single defining relation}, journal = {Informatics and Automation}, pages = {109--120}, publisher = {mathdoc}, volume = {133}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_133_a10/} }
G. A. Gurevich. On the conjugacy problem for groups with a~single defining relation. Informatics and Automation, Mathematical logic, theory of algorithms and theory of sets, Tome 133 (1973), pp. 109-120. http://geodesic.mathdoc.fr/item/TRSPY_1973_133_a10/