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@article{TRSPY_1973_129_a1, author = {V. P. Orevkov}, title = {The complexity of the expansion of algebraic irrationalities in continued fractions}, journal = {Informatics and Automation}, pages = {24--29}, publisher = {mathdoc}, volume = {129}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_129_a1/} }
V. P. Orevkov. The complexity of the expansion of algebraic irrationalities in continued fractions. Informatics and Automation, Problems of the constructive direction in mathematics. Part 6, Tome 129 (1973), pp. 24-29. http://geodesic.mathdoc.fr/item/TRSPY_1973_129_a1/