AL-HINDAWE, Ahmed L.M. On b-Syndetic Sets Ahmed L.M. Al-Hindawe. Journal of Kufa for Mathematics and Computer, Kufa, Najaf, IRAQ, v. 1, n. 4, p. 1–4, 2011. DOI: 10.31642/JoKMC/2018/010401. Disponível em: https://journal.uokufa.edu.iq/index.php/jkmc/article/view/2228. Acesso em: 29 sep. 2026.