ENGELFRIET, J. Top-down tree transducers with regular look-ahead. DAIMI Report Series, [S. l.], v. 4, n. 49, 1975. DOI: 10.7146/dpb.v4i49.6468. Disponível em: https://tidsskrift.dk/daimipb/article/view/6468. Acesso em: 9 may. 2024.