WÓJTOWICZ, Krzysztof. Mathematics - science about fictions...?. Philosophical Problems in Science, [S. l.], n. 45, p. 3–26, 2009. DOI: 10.59203/zfn.45.190. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/190. Acesso em: 8 dec. 2025.