MEDUNA, Alexander; KOPEČEK, Tomáš. Simple-Semi-Conditional Versions of Matrix Grammars with a Reduced Regulating Mechanism. Computing and Informatics, [S. l.], v. 23, n. 3, p. 287–302, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/430. Acesso em: 30 apr. 2025.