HABEL, Annegret; RADKE, Hendrik. Expressiveness of graph conditions with variables. Electronic Communications of the EASST, [S. l.], v. 30, 2010. DOI: 10.14279/tuj.eceasst.30.404. Disponível em: https://eceasst.org/index.php/eceasst/article/view/1688. Acesso em: 22 oct. 2024.