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@article{DAN_1974_215_1_a13, author = {A. A. Markov}, title = {On the language {\it {{\CYRYA}}}$_\omega$}, journal = {Doklady Akademii Nauk}, pages = {57--60}, publisher = {mathdoc}, volume = {215}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_1_a13/} }
A. A. Markov. On the language {\it Я}$_\omega$. Doklady Akademii Nauk, Tome 215 (1974) no. 1, pp. 57-60. http://geodesic.mathdoc.fr/item/DAN_1974_215_1_a13/