ZHANG, G. Q. PB-277 Literal resolution: A Simple Proof of Resolution Completeness. DAIMI Report Series, [S. l.], v. 18, n. 277, 1989. DOI: 10.7146/dpb.v18i277.6654. Disponível em: https://tidsskrift.dk/daimipb/article/view/6654. Acesso em: 9 may. 2024.