KARIM LELO, Ali. O-C TOPOLOGY AND SIERPINSKI SPACE. Journal of Al-Qadisiyah for Computer Science and Mathematics, [S. l.], v. 7, n. 1, p. 85–89, 2017. Disponível em: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/88. Acesso em: 21 sep. 2024.