GRYGIEL, Joanna. Many Faces of Lattice Tolerances. Bulletin of the Section of Logic, [S. l.], v. 48, n. 4, p. 285–298, 2019. DOI: 10.18778/0138-0680.48.4.03. Disponível em: https://www.czasopisma.uni.lodz.pl/bulletin/article/view/6273. Acesso em: 8 dec. 2025.