DIASAMIDZE, Yasha; MAKHARADZE, Shota; AYDIN, Ne¸set; ERDO˘GAN, Ali. Complete Semigroups of Binary Relations Defined by Semilattices of the Class $Z$−Elementary $X$−Semilattice of Unions. Sarajevo Journal of Mathematics, [S. l.], v. 11, n. 1, p. 17–35, 2015. DOI: 10.5644/SJM.11.1.02. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/534. Acesso em: 7 dec. 2025.