Derivation of a New Differential Operator on Bi-Bounded Turning Functions. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 7432–7455, 2025. DOI: 10.37256/cm.6520257807. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/7807. Acesso em: 24 dec. 2025.