JONES, N. D.; SKYUM, S. Recognition of Deterministic ET0L Languages in Polynomial Time. DAIMI Report Series, [S. l.], v. 5, n. 63, 1976. DOI: 10.7146/dpb.v5i63.6482. Disponível em: https://tidsskrift.dk/daimipb/article/view/6482. Acesso em: 8 may. 2024.