LESZKA, Mirosław Jerzy. The rebellion of John against tsar Peter (928) re-discussed. Balcanica Posnaniensia. Acta et studia, [S. l.], v. 23, p. 5–14, 2017. DOI: 10.14746/bp.2016.23.1. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/6692. Acesso em: 20 apr. 2024.