SCHWARTZBACH, M. I.; LARSEN, K. S. Optimal detection of query injectivity. DAIMI Report Series, [S. l.], v. 19, n. 311, 2002. DOI: 10.7146/dpb.v19i311.6702. Disponível em: https://tidsskrift.dk/daimipb/article/view/6702. Acesso em: 25 apr. 2024.