On the absolute Cesàro summability of the ultraspherical series
On the absolute Riesz summability factors.
On the absolute Riesz summability factors for Fourier series and conjugate series.
On the absolute summability factors of infinite series
On the absolute summability of series with respect to block-orthonormal systems.
On the absolute -summability factors of infinite series
On the generalized Cesàro summability factors.
On the rate of strong summability of double Fourier series
Estimates of the strong means of Marcinkiewicz type with the Cesaro means of negative order in one of the variables instead of square partial sums are obtained by characteristics constructed on the basis of moduli of continuity.
On the strong summability and approximation of Fourier series
On the strong-Riesz mean-value theorem.
On translativity of absolute Rogosinski-Bernstein summability methods.
On two summability methods
On summability factors.