VARIYAM, V. N. A Note on NP intersection coNP/poly. BRICS Report Series, [S. l.], v. 7, n. 19, 2000. DOI: 10.7146/brics.v7i19.20146. Disponível em: https://tidsskrift.dk/brics/article/view/20146. Acesso em: 25 feb. 2024.