ADHIKARI, M. R.; DAS, S. K. On Maximal K- Ideals of Semirings. Indian Science Cruiser, [S. l.], v. 9, n. 3, p. 23–30, 1995. Disponível em: https://informaticsjournals.com/index.php/ISC/article/view/42813. Acesso em: 22 jul. 2024.