EINSTEIN, A. Cosmological considerations on the general theory of relativity. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 63, p. 183–204, 2017. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/416. Acesso em: 24 apr. 2024.