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@article{FAA_1980_14_1_a9, author = {R. I. Grigorchuk}, title = {Burnside problem on periodic groups}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {53--54}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_1_a9/} }
R. I. Grigorchuk. Burnside problem on periodic groups. Funkcionalʹnyj analiz i ego priloženiâ, Tome 14 (1980) no. 1, pp. 53-54. http://geodesic.mathdoc.fr/item/FAA_1980_14_1_a9/
[1] Matematicheskaya entsiklopediya, t. I, Sovetskaya entsiklopediya, M., 1977, 1152
[2] Grinlif F., Invariantnye srednie na topologicheskikh gruppakh, Mir, M., 1973, 136 pp.