KAUČIKAS, Algirdas. Multiplicative sets and left strongly prime ideals in rings. Lietuvos matematikos rinkinys, [S. l.], v. 46, n. spec., p. 17–18, 2023. DOI: 10.15388/LMR.2006.30552. Disponível em: https://www.journals.vu.lt/LMR/article/view/30552.. Acesso em: 18 jul. 2024.