This publication is cited in the following articles:
I. Podvigin, I. V. Podvigin, “A criterion for a power-law rate of convergence of ergodic means for unitary actions of ℤ^{𝕕} and ℝ^{𝕕}”, St. Petersburg Math. J., 36:4 (2026), 607
A. G. Kachurovskii, I. V. Podvigin, V. È. Todikov, “Convergence rates in the ergodic theorem for unitary actions of compactly generated abelian groups”, Siberian Math. J., 66:3 (2025), 691–701
I. V. Podvigin, “Kriterii stepennoi skorosti skhodimosti ergodicheskikh srednikh dlya unitarnykh deistvii grupp $\mathbb{Z}^d$ i $\mathbb{R}^d$”, Algebra i analiz, 36:4 (2024), 148–164