GHORBANI, Z. ϕ-Approximate Biprojective and ϕ-Approximate Amenable Banach Algebras. Eurasian Mathematical Journal, [S. l.], v. 13, n. 3, p. 33–40, 2022. Disponível em: https://emj.enu.kz/index.php/main/article/view/262. Acesso em: 4 dec. 2024.