A comparison theorem for weighted mean and Cesàro methods
A general theorem on Nörlund summability of Fourier series with applications
A generalization theorem covering many absolute summability methods.
A Mercerian Theorem for Nörlund Means.
A note on a multiplier of the Nörlund means and convex maps of the unit disc.
A note on absolute Nörlund summability.
A note on absolute summability factors.
A note on Fourier coefficients
A note on summability factors.
A note on the absolute Riesz summability factors.
A short proof of a result of Kogbetliantz on the positivity of certain Cesàro means.
A study on almost increasing sequences.
A tauberian theorem for Cesàro summability
Abschnittskonvergenz und Umkehrsätze beim Euler-Verfahren.
Absolute Cesaro Summability and Absolute Convergence for Starlike Univalent Functions.
Absolute Cesàro summability of infinite series
Absolute Nörlund summability factors.
Absolute Nörlund summability factors of power series and Fourier series
Four theorems of Ahmad [1] on absolute Nörlund summability factors of power series and Fourier series are proved under weaker conditions.
Absolute Nörlund summability factors of power series and Fourier series
Addendum to: Iteration Products of Methods of Summability and Natural Scales.