WÓJTOWICZ, Krzysztof. Mathematics - science about fictions...?. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 45, p. 3–26, 2009. DOI: 10.59203/zfn.45.190. Disponível em: https://www.zfn.edu.pl/index.php/zfn/article/view/190. Acesso em: 26 nov. 2025.