KOCHUBEI, A. N.; SOSKIN, D. S. Asymptotic properties of the $p$-adic fractional integration operator. Methods of Functional Analysis and Topology, [S. l.], v. 23, n. 2, p. 155–163, 2017. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/660. Acesso em: 13 dec. 2025.