BERSTEL, J. The Growth Range Equivalence Problem for D0L Systems is Decidable. DAIMI Report Series, [S. l.], v. 4, n. 50, 1975. DOI: 10.7146/dpb.v4i50.6469. Disponível em: https://tidsskrift.dk/daimipb/article/view/6469. Acesso em: 9 may. 2024.