KAUČIKAS, Algirdas. Left permutable multiplicative sets and left strongly prime ideals in rings. Lietuvos matematikos rinkinys, [S. l.], v. 48, n. proc. LMS, p. 23–26, 2008. DOI: 10.15388/LMR.2008.03. Disponível em: https://journals.vu.lt./LMR/article/view/18051.. Acesso em: 21 nov. 2024.