YEN, . C.-T. On A Subring Of Prime Ring With Derivation. Tamkang Journal of Mathematics, [S. l.], v. 27, n. 4, p. 267–269, 1996. DOI: 10.5556/j.tkjm.27.1996.3954. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3954. Acesso em: 21 nov. 2024.