The direct and inverse problems for the fractional equation with the Hilfer derivative. Uzbek Mathematical Journal, [S. l.], v. 70, n. 1, p. 49–59, 2026. DOI: 10.29229/uzmj.2026-1-5. Disponível em: https://uzmj.mathinst.uz/index.php/uzmj/article/view/296.. Acesso em: 26 mar. 2026.