SERDYUK, A. S. Approximation of Poisson integrals by one linear approximation method in uniform and integral metrics. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 7, p. 976–982, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3213. Acesso em: 5 dec. 2025.