On an extension of a theorem of O. Szàsz
An inequality for finite sequences
On Some Extensions of Theorems of Fejér.
On the absolute summability factors of Fourier series at a given point
On the Fourier coefficients of a simple discontinuous function
On the convergence of a lacunary trigonometrical series
An inequality for Fourier transforms
A Tauberian theorem for subsequences of functions
On a quasi-monotonic sequence
Gibbs phenomenon por fractional integration
On a local property of summability of Fourier series
An integral inequality
On a theorem of Burkill-Petersen
On Fejér's theorem of Fourier series
A local property of |C,1| summability of Fourier series
On the strongly regular summability of Fourier series
On the absolute convergence factors of an orthogonal series
On Riesz summability of subsequences
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