LESZKA, M. J. On the Reliability of Constantine Porphyrogenitus’ Account of the “Flight” of Prince Časlav from Bulgaria. Studia Ceranea, [S. l.], v. 7, p. 129–138, 2017. DOI: 10.18778/2084-140X.07.08. Disponível em: https://czasopisma.uni.lodz.pl/sceranea/article/view/3026. Acesso em: 4 may. 2024.