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@article{DAN_1984_275_4_a3, author = {N. V. Ivanov}, title = {Algebraic properties of the {Teichm\"uller} modular group}, journal = {Doklady Akademii Nauk}, pages = {786--789}, publisher = {mathdoc}, volume = {275}, number = {4}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_275_4_a3/} }
N. V. Ivanov. Algebraic properties of the Teichm\"uller modular group. Doklady Akademii Nauk, Tome 275 (1984) no. 4, pp. 786-789. http://geodesic.mathdoc.fr/item/DAN_1984_275_4_a3/