THI, V. Đức. On the equivalent descriptions of family of functional dependencies in the relational data model. Journal of Computer Science and Cybernetics, [S. l.], v. 11, n. 4, p. 35–45, 2016. DOI: 10.15625/1813-9663/11/4/8159. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/8159. Acesso em: 4 may. 2024.