BRABRAND, Claus; GIEGERICH, Robert; MØLLER, Anders. Analyzing Ambiguity of Context-Free Grammars. BRICS Report Series, [S. l.], v. 14, n. 10, 2007. DOI: 10.7146/brics.v14i10.21932. Disponível em: https://tidsskrift.dk/brics/article/view/21932. Acesso em: 5 dec. 2025.