SASSONE, V.; SOBOCINSKI, P. Congruences for Contextual Graph-Rewriting. BRICS Report Series, [S. l.], v. 11, n. 11, 2004. DOI: 10.7146/brics.v11i11.21836. Disponível em: https://tidsskrift.dk/brics/article/view/21836. Acesso em: 28 apr. 2024.