%0 Journal Article %A Y. A. Rovba %A P. G. Potseiko %T On Rational Approximation of Markov Functions by Partial Sums of Fourier Series on a Chebyshev--Markov System %J Matematičeskie zametki %D 2020 %P 572-587 %V 108 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2020_108_4_a8/ %G ru %F MZM_2020_108_4_a8