トゥルチャ
↑ Theophanes, ibid., p.357-358
↑ Nicephorus, ibid., p.34
↑ Laiou, A. E. Constantinople and the Latins (Foreign Policy of Andronicus II, 1282-1328). Cambridge, Mass., 1972.
↑ Brâtianu, G. I. à Cetatea Albă (Akkerman) au debut du XIVeme siècle-Byz, 2, 1926, 153-168