KARIMPOUR, R. G. COMPLEMENTARY TOPOLOGY AND BOOLEAN RING. Tamkang Journal of Mathematics, [S. l.], v. 22, n. 1, p. 1–5, 1991. DOI: 10.5556/j.tkjm.22.1991.4561. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4561. Acesso em: 28 mar. 2024.