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@article{MZM_1969_5_1_a14, author = {A. A. Shmelev}, title = {Approximation of one class of transcendental numbers}, journal = {Matemati\v{c}eskie zametki}, pages = {117--128}, publisher = {mathdoc}, volume = {5}, number = {1}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_1_a14/} }
A. A. Shmelev. Approximation of one class of transcendental numbers. Matematičeskie zametki, Tome 5 (1969) no. 1, pp. 117-128. http://geodesic.mathdoc.fr/item/MZM_1969_5_1_a14/