[1]
M. Salas Brown, E. Rosas, and C. Carpintero, “Generalized closed sets via ideals and operator”, ProMath, vol. 23, no. 45-46, pp. 127–146, Sep. 2009, Accessed: Oct. 10, 2026. Available: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/10268