USHAKOVA, E. Riemann–Liouville integrals in Besov spaces. Eurasian Mathematical Journal, [S. l.], v. 17, n. 3, p. 54–80, 2026. DOI: 10.32523/2077-9879-2026-17-3-54-80. Disponível em: https://emj.enu.kz/index.php/main/article/view/1097. Acesso em: 9 oct. 2026.