STURTIVANT, Carl. Are There Elimination Algorithms for the Permanent?. DAIMI Report Series, [S. l.], v. 19, n. 306, 1990. DOI: 10.7146/dpb.v19i306.6699. Disponível em: https://tidsskrift.dk/daimipb/article/view/6699. Acesso em: 11 dec. 2025.