35 APPROXIMATION OF FUNCTIONS BY SUPERIMPOSING OF DE LA VALLÉE POUSSIN
MEAN INTO DEFERRED MATRIX MEAN OF THEIR FOURIER SERIES I Page 1 Acta Math …

For upper bounds of the deviations of repeated Fejer sums taken over classes of periodic
functions that admit analytic extensions to a fixed strip of the complex plane, we obtain …

For upper bounds of the deviations of Fejér sums taken over classes of periodic functions
that admit analytic extensions to a fixed strip of the complex plane, we obtain asymptotic …

The work is devoted to the investigation of problem of approximation of continuous periodic
functions by trigonometric polynomials, which are generated by linear methods of …

OG Rovenska, “Approximation of analytic functions by repeated de la Vallee Poussin sums”,
Computer Research and Modeling, 11:3 (2019), 367–377 Computer Research and Modeling RUS …

The present study describes the efficient arrangement of the process of debating on the
educational curriculum draft for “Secondary education (Mathematics)” for Master students of …

The Lower Estimate of Deviations of Fejer Sums on Classes of Poisson Integrals Page 1 ISSN
1995-0802, Lobachevskii Journal of Mathematics, 2021, Vol. 42, No. 12, pp. 2936–2941. c …

The study is devoted to the approximation by arithmetic means of Fourier sums of classes of
periodic functions of high smoothness. In some cases, asymptotic equalities are found for …

Работа посвящена вопросам приближения периодических функций высокой гладкости
средними арифметическими сумм Фурье. Наиболее естественным и простым …

The work concerns the questions of approximation of periodic differentiable functions of high
smoothness by repeated arithmetic means of Fourier sums. One of the classifications of …