ENGELFRIET, J. The Copying Power of One-State Tree Transducers. DAIMI Report Series, [S. l.], v. 7, n. 91, 1978. DOI: 10.7146/dpb.v7i91.6507. Disponível em: https://tidsskrift.dk/daimipb/article/view/6507. Acesso em: 9 may. 2024.