POGONOWSKI, Jerzy. Projekt Logiki Infinitarnej Ernsta Zermela. Investigationes Linguisticae, [S. l.], v. 14, p. 18–49, 2007. DOI: 10.14746/il.2006.14.4. Disponível em: https://pressto.amu.edu.pl/index.php/il/article/view/9089. Acesso em: 27 kwi. 2024.