KLESZCZ, Ryszard. Introduction. Acta Universitatis Lodziensis. Folia Philosophica. Ethica-Aesthetica-Practica, [S. l.], n. 7, p. 3, 1990. Disponível em: https://czasopisma.uni.lodz.pl/philosophica/article/view/18038. Acesso em: 2 paź. 2024.