STØVRING, K. Extending the Extensional Lambda Calculus with Surjective Pairing is Conservative. BRICS Report Series, [S. l.], v. 13, n. 5, 2006. DOI: 10.7146/brics.v13i5.21911. Disponível em: https://tidsskrift.dk/brics/article/view/21911. Acesso em: 28 mar. 2024.