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@article{DAN_1974_217_3_a0, author = {Ya. S. Bugrov}, title = {On the regularity of linear summability methods for {Fourier} series}, journal = {Doklady Akademii Nauk}, pages = {505--507}, publisher = {mathdoc}, volume = {217}, number = {3}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_217_3_a0/} }
Ya. S. Bugrov. On the regularity of linear summability methods for Fourier series. Doklady Akademii Nauk, Tome 217 (1974) no. 3, pp. 505-507. http://geodesic.mathdoc.fr/item/DAN_1974_217_3_a0/