@article{TIMB_2020_28_1_a7,
     author = {Y. A. Rouba and P. G. Patseika},
     title = {Riesz~--~Zigmund means of rational {Fourier~--~Chebyshev} seriesand approximations of the function $|x|^s$},
     journal = {Trudy Instituta matematiki},
     pages = {74--90},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2020_28_1_a7/}
}