PIRÓG, Mirosław. Philosopher of many faces. Folia Philosophica, [S. l.], v. 30, p. 359–361, 2012. DOI: 10.31261/fp.21459. Disponível em: https://journals.us.edu.pl/index.php/FOLIA/article/view/21459. Acesso em: 5 dec. 2025.