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@article{MMO_1957_6_a4, author = {S. I. Adian}, title = {Unsolvability of some algorithmic problems in the theory of groups}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {231--298}, publisher = {mathdoc}, volume = {6}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1957_6_a4/} }
S. I. Adian. Unsolvability of some algorithmic problems in the theory of groups. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 6 (1957), pp. 231-298. http://geodesic.mathdoc.fr/item/MMO_1957_6_a4/