TÜRKMEN, E. $\scr{Z^{ \ast}}$ - semilocal modules and the proper class $\scr{RS}$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 3, p. 400–411, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1447. Acesso em: 5 dec. 2025.