RIEČANOVÁ, Z.; ZAJAC, M. Intervals in Generalized Effect Algebras and their Sub-generalized Effect Algebras. Acta Polytechnica, [S. l.], v. 53, n. 3, 2013. DOI: 10.14311/1817. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1817. Acesso em: 4 mar. 2024.