RT Article T1 PATRICIANS AS DIPLOMATS IN LATE ANTIQUITY JF Byzantinische Zeitschrift VO 79 IS 1 SP 35 OP 49 A1 Mathisen, R. LA German PB De Gruyter YR 1986 UL https://www.ixtheo.de/Record/1780283997 DO 10.1515/byzs.1986.79.1.35