KOHLENBACH, U. The Computational Strength of Extensions of Weak König’s Lemma. BRICS Report Series, [S. l.], v. 5, n. 41, 1998. DOI: 10.7146/brics.v5i41.19486. Disponível em: https://tidsskrift.dk/brics/article/view/19486. Acesso em: 4 may. 2024.