[1]
Leszka, M. 2020. Simeon I the Great, the ruler of Bulgaria in the account of Leo the Deacon (Historia, VII, 7) . Balcanica Posnaniensia. Acta et studia. 26, (Jan. 2020), 33-41. DOI:https://doi.org/10.14746/bp.2019.26.2.