LEWANDOWSKA, K. Sierpiński’s Philosophy of Mathematics. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 60, p. 53–81, 2016. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/132. Acesso em: 8 feb. 2023.