%0 Journal Article %A P. G. Potseiko %A Y. A. Rovba %A K. A. Smotritskii %T On one rational integral operator of Fourier – Chebyshev type and approximation of Markov functions %J Journal of the Belarusian State University. Mathematics and Informatics %D 2020 %P 6-27 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/BGUMI_2020_2_a0/ %G en %F BGUMI_2020_2_a0