JAVANSHIR, Nezakat; YILDIZ, Fİlİz. Symmetrically and Antisymmetrically-dense subspaces of $T_0$-quasi-metric spaces. Topology Proceedings, [S. l.], v. 61, p. 215–231, 2022. Disponível em: https://www.topologyproceedings.org/index.php/tp/article/view/77. Acesso em: 30 jun. 2026.