@article{MZM_2022_112_3_a13,
     author = {M. G. Grigoryan},
     title = {On the {Convergence} of {Negative-Order} {Ces\`aro} {Means} of {Fourier} and {Fourier--Walsh} {Series}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {474--477},
     publisher = {mathdoc},
     volume = {112},
     number = {3},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2022_112_3_a13/}
}