POPOV, M.M. On two long standing open problems on $L_p$-spaces: Array. Carpathian Mathematical Publications, [S. l.], v. 12, n. 1, p. 229–241, 2020. DOI: 10.15330/cmp.12.1.229-241. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/3907. Acesso em: 29 mar. 2024.