Functional Train Algebras of Rank ≤ 3. Contemporary Mathematics , [S. l.], v. 5, n. 3, p. 2668–2679, 2024. DOI: 10.37256/cm.5320244575. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/4575. Acesso em: 24 dec. 2025.