HELLER, M. Creation of the universe according to Leibniz. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 42, p. 3–14, 2008. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/243. Acesso em: 6 dec. 2022.