{"id":"003006227","type":"article","title":"La quatrième croisade et ses conséquences pour la Bulgarie médiévale: le tzar Kaloyan, les Latins et les Grecs (1204-1207)","publisher":"Lodz University Press","publisher-place":"Lodz","pages":"29-37","container-title":"Studia Ceranea, 3, (2013","author":[{"family":"Vassil Gjuzelev"}],"issued":{"raw":"2013"}}