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@article{DAN_1984_279_4_a9, author = {V. N. Rusak}, title = {Exact orders of best rational approximations for classes of}, journal = {Doklady Akademii Nauk}, pages = {810--812}, publisher = {mathdoc}, volume = {279}, number = {4}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_279_4_a9/} }
V. N. Rusak. Exact orders of best rational approximations for classes of. Doklady Akademii Nauk, Tome 279 (1984) no. 4, pp. 810-812. http://geodesic.mathdoc.fr/item/DAN_1984_279_4_a9/