EN
Motivated by some recent results by Li and Stević, in this paper we prove that a two-parameter family of Cesàro averaging operators $𝓟^{b,c}$ is bounded on the Dirichlet spaces $𝓓_{p,a}$. We also give a short and direct proof of boundedness of $𝓟^{b,c}$ on the Hardy space $H^p$ for 1 < p < ∞.