Ostap N. Kardash. Latin and Cyrillo-Methodian Ecclesiastical Traditions of the 9th–11th Centuries: the Eastern Frontier of the Canonical Confrontation. : Доктор філософії : spec.. 032 - Історія та археологія : presented. 2024-01-12; popup.evolution: o; Vasyl Stefanyk Precarpathian National University. – Івано-Франківськ, 0823U101110.

Updated: 2026-10-31