%0 Journal Article %A Ya. S. Bugrov %T On the regularity of linear summability methods for Fourier series %J Doklady Akademii Nauk %D 1974 %P 505-507 %V 217 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_217_3_a0/ %G ru %F DAN_1974_217_3_a0