The Legacy of Saints Cyril and Methodius to Kiev and Moscow. Pro-ceedings of the International Congress on the Millenium of the Conversion of Rus’ to Christianity, Thessaloniki 26-28 November 1998, Edited by Anth.-Em. N. Tachiaos, Hellenic Association for Slavic Studies, Thessaloniki 1992, 8o, σελ. 622
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