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@article{DAN_1984_277_5_a0, author = {S. P. Baiborodov}, title = {Lebesgue constants and approximation of functions by {Fourier} and {Fej\'er} sums}, journal = {Doklady Akademii Nauk}, pages = {1033--1035}, publisher = {mathdoc}, volume = {277}, number = {5}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_5_a0/} }
S. P. Baiborodov. Lebesgue constants and approximation of functions by Fourier and Fej\'er sums. Doklady Akademii Nauk, Tome 277 (1984) no. 5, pp. 1033-1035. http://geodesic.mathdoc.fr/item/DAN_1984_277_5_a0/