| Publication | Date of Publication | Type |
|---|
| Lebesgue-type inequalities for the Fourier sums on classes of generalized Poisson integrals | 2024-01-19 | Paper |
| Approximation of generalized Poisson integrals by interpolating trigonometric polynomials | 2024-01-11 | Paper |
| Estimates of approximations by interpolation trigonometric polynomials on the classes of convolutions of high smoothness | 2023-08-23 | Paper |
| Asymptotic estimates for the widths of classes of functions of high smothness | 2023-08-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5870842 | 2023-01-24 | Paper |
| Approximation by Fourier sums in the classes of Weyl-Nagy differentiable functions with high exponent of smoothness | 2022-12-05 | Paper |
| Asymptotically best possible Lebesgue-type inequalities for the fourier sums on sets of generalized poisson integrals | 2022-06-14 | Paper |
| Direct and inverse theorems on the approximation of almost periodic functions in Besicovitch-Stepanets spaces | 2022-03-01 | Paper |
| Approximation by Fourier sums in classes of Weyl--Nagy differentiable functions with high exponent of smoothness | 2022-02-07 | Paper |
| About Lebesgue inequalities on the classes of generalized Poisson integrals | 2022-01-13 | Paper |
| Widths of functional classes defined by the majorants of generalized moduli of smoothness in the spaces \(\mathcal{S}^p\) | 2021-12-09 | Paper |
| Problems of approximation theory in abstract linear spaces | 2021-09-28 | Paper |
| Order estimates of the uniform approximations by Zygmund sums on the classes of convolutions of periodic functions | 2021-08-17 | Paper |
| Asymptotic estimates for the best uniform approximations of classes of convolution of periodic functions of high smoothness | 2021-02-09 | Paper |
| Approximation by Fourier sums in classes of differentiable functions with high exponents of smoothness | 2020-11-24 | Paper |
| Approximation by interpolation trigonometric polynomials in metrics of the space \(L_p\) on the classes of periodic entire functions | 2020-03-23 | Paper |
| Uniform approximations by Fourier sums on classes of convolutions of periodic functions | 2020-01-02 | Paper |
| Uniform approximations by Fourier sums in classes of generalized Poisson integrals | 2019-05-23 | Paper |
| An optimal subspaces for Kolmogorov widths of classes of 2π-periodic analytic functions | 2019-01-10 | Paper |
| Exact values of Kolmogorov widths for the classes of analytic functions. II | 2018-01-05 | Paper |
| Approximation of classes of convolutions of periodic functions by linear methods constructed on basis of Fourier-Lagrange coefficients | 2017-11-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5271692 | 2017-07-11 | Paper |
| Estimates for approximations by Fourier sums, best approximations and best orthogonal trigonometric approximations of the classes of (\psi, \beta)-differentiable functions | 2017-06-13 | Paper |
| Asymptotic equalities for best approximations for classes of infinitely differentiable functions defined by the modulus of continuity | 2016-10-18 | Paper |
| Exact values of Kolmogorov widths for the classes of analytic functions. I | 2016-10-12 | Paper |
| Order estimates for the best approximations and approximations by Fourier sums of the classes of \((\psi, \beta)\)-differential functions | 2015-11-13 | Paper |
| Exact values of Kolmogorov widths of classes of analytic functions | 2014-10-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2877197 | 2014-08-21 | Paper |
| Estimates of the uniform approximations by Zygmund sums on the classes of convolutions of periodic functions | 2014-08-21 | Paper |
| Approximation by linear methods of classes of $(\psi,\bar\beta)-$differentiable functions | 2014-08-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2877200 | 2014-08-21 | Paper |
| Uniform approximation of periodical functions by trigonometric sums of special type | 2014-05-06 | Paper |
| Lebesgue-type inequalities for the de la Valée-Poussin sums on sets of analytic functions | 2014-03-27 | Paper |
| Lebesgue-type inequalities for the de la Vallée-Poussin sums on sets of entire functions | 2014-03-27 | Paper |
| Order estimates of the best approximations and approximations of Fourier sums of classes of convolutions of periodic functions of not high smoothness in uniform metric | 2014-03-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5395747 | 2014-02-17 | Paper |
| Exact values of Kolmogorov widths of classes of Poisson integrals | 2014-01-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2850185 | 2013-09-26 | Paper |
| Order estimations of the best approximations and approximations of the Fourier sums on the classes of infinitely differentiable functions | 2013-04-27 | Paper |
| Uniform approximation of Poisson integrals of functions from the class \(H_\omega\) by de la Vallée Poussin sums | 2013-04-05 | Paper |
| Lower bounds for Kolmogorov widths of classes of Poisson integrals | 2013-04-02 | Paper |
| Approximation by interpolation trigonometric polynomials on classes of periodic analytic functions | 2013-01-23 | Paper |
| Approximation of classes of analytic functions by de la Vallee Poussin sums in uniform metric | 2012-11-16 | Paper |
| Approximation of continuous periodic functions by de la Vallee Poussin sums | 2012-07-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2896682 | 2012-07-16 | Paper |
| Approximation of classes of analytic functions by a linear method of special form | 2012-03-19 | Paper |
| Asymptotic behavior of best approximations of classes of Poisson integrals of functions from \(H_\omega\) | 2011-10-28 | Paper |
| Approximation of Poisson integrals by de la Valleé-Poussin sums in uniform and integral metrics | 2011-09-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3013644 | 2011-07-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3013645 | 2011-07-18 | Paper |
| On the best approximation of certain classes of periodic functions by trigonometric polynomials | 2011-06-21 | Paper |
| On relationship between classes of $(\Psi, \overline\upbeta)$ -differentiable functions and Gevrey classes | 2011-02-22 | Paper |
| Approximation of the classes C β ψ H ω by generalized Zygmund sums | 2011-02-22 | Paper |
| Linear approximation methods and the best approximations of the Poisson integrals of functions from the classes $ {H_{{\omega_p}}} $ in the metrics of the spaces L p | 2011-02-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3552675 | 2010-04-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3552779 | 2010-04-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5191841 | 2009-08-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5191910 | 2009-08-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5324825 | 2009-08-08 | Paper |
| Classification of infinitely differentiable periodic functions | 2009-08-08 | Paper |
| On some new criteria for infinite differentiability of periodic functions | 2009-02-28 | Paper |
| Approximation of Poisson integrals by one linear approximation method in uniform and integral metrics | 2009-02-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3505210 | 2008-06-18 | Paper |
| Approximation of Poisson Integrals by de la Vallée Poussin Sums | 2006-12-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5487396 | 2006-09-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5487443 | 2006-09-19 | Paper |
| Best Approximations and Widths of Classes of Convolutions of Periodic Functions of High Smoothness | 2006-07-20 | Paper |
| Approximation of Classes of Analytic Functions by Fourier Sums in Uniform Metric | 2006-07-20 | Paper |
| Approximation of classes of analytic functions by Fourier sums in the metric of the space L p | 2006-07-20 | Paper |
| Oleksandr Ivanovych Stepanets (On his 60th birthday) | 2005-11-14 | Paper |
| Approximation of infinitely differentiable periodic functions by interpolation trigonometric polynomials | 2005-09-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4431733 | 2003-10-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4791973 | 2003-02-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4782467 | 2002-12-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4782481 | 2002-12-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4781079 | 2002-11-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2739811 | 2001-09-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2739812 | 2001-09-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2740161 | 2001-09-16 | Paper |
| Approximation by fourier sums and best approximations on classes of analytic functions | 2001-09-16 | Paper |
| Lebesgue inequalities for poisson integrals | 2001-09-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2740412 | 2001-09-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2740433 | 2001-09-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4518695 | 2000-12-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4512314 | 2000-11-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4512321 | 2000-11-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4490292 | 2000-07-11 | Paper |
| On the existence of interpolating \(SK\)-splines | 2000-06-29 | Paper |
| On the best approximation of classes of convolutions of periodic functions by trigonometric polynomials | 2000-03-02 | Paper |
| Estimates of the Kolmogorov widths for classes of infinitely differentiable periodic functions | 1999-11-22 | Paper |
| Lower bounds for widths of classes of convolutions of periodic functions in the metrics ofC andL | 1998-03-17 | Paper |
