SON, N. H. Translation of relation schemes and some related problems. Journal of Computer Science and Cybernetics, [S. l.], v. 20, n. 4, p. 368–373, 2012. DOI: 10.15625/1813-9663/20/4/1905. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1905. Acesso em: 3 may. 2024.