EMIN-TERYAN, G. G. Radicals and Preradicals in the Category of Modules over All Rings. Mathematical Problems of Computer Science, [S. l.], v. 39, p. 94–100, 2021. Disponível em: http://93.187.165.2/index.php/mpcs/article/view/426. Acesso em: 28 sep. 2024.