Derivations in Differentially δ-prime Rings. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 2, p. 454–466, 2022. DOI: 10.29020/nybg.ejpam.v15i2.4344. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4344. Acesso em: 21 nov. 2024.