Three-operator Problems in Banach Spaces: doi:10.17398/2605-5686.33.2.149. Extracta Mathematicae, [S. l.], v. 33, n. 2, p. 149–165, 2018. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2605-5686.33.2.149.. Acesso em: 22 dec. 2024.