NARANIECKI, A. J. L. E. J. Brouwer and Karl Popper: Two Perspectives on Mathematics. Cosmos and History: The Journal of Natural and Social Philosophy, [S. l.], v. 11, n. 1, p. 239–255, 2015. Disponível em: http://cosmosandhistory.org/index.php/journal/article/view/453. Acesso em: 25 apr. 2024.