%0 Journal Article %A G. I. Furletov %T Stable summability methods for Fourier series %J Differencialʹnye uravneniâ %D 1971 %P 510-518 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_3_a13/ %G ru %F DE_1971_7_3_a13