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@article{TRSPY_1987_180_a87, author = {V. V. Lipovik}, title = {On estimates of strong approximation of functions by {Fourier--\v{C}eby\v{s}ev} sums}, journal = {Informatics and Automation}, pages = {149--151}, publisher = {mathdoc}, volume = {180}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a87/} }
V. V. Lipovik. On estimates of strong approximation of functions by Fourier--Čebyšev sums. Informatics and Automation, Theory of functions and related questions of analysis, Tome 180 (1987), pp. 149-151. http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a87/