JENSEN, J. L.; JØRGENSEN, M. E.; KLARLUND, N. Monadic Second-order Logic for Parameterized Verification. BRICS Report Series, [S. l.], v. 1, n. 10, 1994. DOI: 10.7146/brics.v1i10.21660. Disponível em: https://tidsskrift.dk/brics/article/view/21660. Acesso em: 2 may. 2024.