HELLER, Michał. Quantum creation of the Universe. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 41, p. 3–15, 2007. DOI: 10.59203/zfn.41.262. Disponível em: https://www.zfn.edu.pl/index.php/zfn/article/view/262. Acesso em: 10 jan. 2026.