FLOURI, T. On Tree Pattern Matching by Pushdown Automata. Acta Polytechnica, [S. l.], v. 49, n. 2, 2009. DOI: 10.14311/1113. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1113. Acesso em: 6 may. 2024.