Rota-Baxter Operators of Weight 1 on 2×2-Matrix Algebras. Communications in Mathematical Research, [S. l.], v. 31, n. 1, p. 71–80, 2021. DOI: 10.13447/j.1674-5647.2015.01.08. Disponível em: https://global-sci.com/index.php/cmr/article/view/8838. Acesso em: 5 dec. 2025.