RAHMAN, R. M. H. Pseudocomplementation on the Lattice of Convex Sublattices of a Lattice. Journal of Scientific Research, [S. l.], v. 2, n. 1, p. 87–90, 2009. DOI: 10.3329/jsr.v2i1.2485. Disponível em: https://banglajol.info/index.php/JSR/article/view/2485. Acesso em: 24 may. 2022.