DOCHVIRI, Irakli; NOIRI, Takashi. ASYMMETRIC CLOPEN SETS IN THE BITOPOLOGICAL SPACES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 33, p. 263–272, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6256. Acesso em: 7 aug. 2026.