Points of strong summability of Fourier series
The points of a function f ? L at which there are given estimates of the rate of convergence to zero of the strong arithmetic means of its Fourier series and the trigonometrically conjugate series are characterized.
English version (Springer): Ukrainian Mathematical Journal 44 (1992), no. 8, pp 923-932.
Citation Example: Gabisoniya O. D. Points of strong summability of Fourier series // Ukr. Mat. Zh. - 1992. - 44, № 8. - pp. 1020–1031.