Vishnyak М.А. 2019. The Dogmatic Aspect of Patriarch Athanasius I of Constantinople (1289–1293; 1303–1309) Fight Against the Arsenite Schism (1265–1310). The Metaphrast. 1 (1) (Apr. 2019), 35–52. DOI:https://doi.org/10.31802/2658-770X-2019-1-1-35-52.