LONČAR, Ivan. A Note on Inverse Systems of $\boldsymbol{S(n)}$-Closed Spaces. Sarajevo Journal of Mathematics, [S. l.], v. 11, n. 1, p. 117–130, 2015. DOI: 10.5644/SJM.11.1.10. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/470. Acesso em: 25 dec. 2025.