Kościół Surb Sargis w Tekor w Armenii. Między Persją a Bizancjum by Daniel Próchniak

“…Taking into account the contemporary state of research one may suppose that this innovative construction is the earliest known link in the process of emerging of the cross-cupola plan of churches, dominating till today in the church architecture of Eastern Christianity. The reduction of the corners of the central bay – in order to adjust its square shape to the circular base of the dome – was achieved by the construction of four small squinches (Fig. 8). …”
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