Zhyhallo T, Kharkevych Y. On approximation of functions from the class $L^{\psi}_{\beta, 1}$ by the Abel-Poisson integrals in the integral metric. Carpathian Math. Publ. [Internet]. 2022 Jun. 30 [cited 2024 Nov. 24];14(1):223-9. Available from: https://ktipe.pnu.edu.ua/index.php/cmp/article/view/5678