Architektura Vizantii i Drevnej Rusi IX - XII vekov : materialy meždunarodn'ij seminar 17 - 21 Nojabrja 2009 goda = Architecture of Byzantium and Kievan Rus from the 9th to the 12th centuries : materials of the international seminar, November 17 - 21, 2009 - Ëlšin, D. D. (Denis Dmitrievič) (Izdatel'stvo Gosudarstvennogo Ėrmitaža, 2010)