CRIVEI, Septimiu; KESKIN TÜTÜNCÜ, Derya. On some radicals and proper classes associated to simple modules. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 4, n. 2, p. 123–129, 2017. Disponível em: https://jacodesmath.com/index.php/jacodesmath/article/view/62. Acesso em: 2 sep. 2026.