%0 Journal Article %A M. G. Grigoryan %T On the Convergence of Negative-Order Ces\`aro Means of Fourier and Fourier--Walsh Series %J Matematičeskie zametki %D 2022 %P 474-477 %V 112 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2022_112_3_a13/ %G ru %F MZM_2022_112_3_a13