REDAKCJA BP. Opening Address by His Magnificence, Professor Zbigniew Radwański, Rector of Adam Mickiewicz University, Poznań. Balcanica Posnaniensia. Acta et studia, [S. l.], v. 1, p. 9–10, 1984. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/55669. Acesso em: 3 oct. 2026.