VAN BENDEGEM, J. P. The Collatz conjecture. A case study in mathematical problem solving. Logic and Logical Philosophy, [S. l.], v. 14, n. 1, p. 7–23, 2005. DOI: 10.12775/LLP.2005.002. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2005.002. Acesso em: 26 apr. 2024.