MAKAŚ, M. A Certain Version of Preservationism. Logic and Logical Philosophy, [S. l.], v. 26, n. 1, p. 63–77, 2016. DOI: 10.12775/LLP.2016.027. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2016.027. Acesso em: 26 oct. 2021.