WÓJTOWICZ, K. Mathematics - science about fictions...?. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 45, p. 3–26, 2009. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/190. Acesso em: 24 apr. 2024.