Gottfried Wilhelm Leibniz. On the Improvement of First Philosophy and the Notion of Substance. Problemos, [S. l.], v. 101, p. 142–146, 2022. DOI: 10.15388/Problemos.101.13. Disponível em: https://www.journals.vu.lt/problemos/article/view/27409.. Acesso em: 7 may. 2024.