ROŻKOW, W. The Beatification Cause of the Servant of God Jan Olszański (1919-2003). Kościół i Prawo, [S. l.], v. 13, n. 2, p. 91–108, 2024. DOI: 10.18290/kip2024.20. Disponível em: https://czasopisma.tnkul.pl/index.php/kip/article/view/992. Acesso em: 28 nov. 2024.