TY - JOUR AU - Y. A. Rovba AU - P. G. Potseiko TI - On Rational Approximation of Markov Functions by Partial Sums of Fourier Series on a Chebyshev--Markov System JO - Matematičeskie zametki PY - 2020 SP - 572 EP - 587 VL - 108 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2020_108_4_a8/ LA - ru ID - MZM_2020_108_4_a8 ER -