Boiko Vyacheslav Gennadiyovich. Secularization of orthodox sacred choral music in the Russian and Ukrainian cul-ture of XVII-XXI centuries : к.мист. : spec.. 26.00.01 - Теорія та історія культури : presented. 2008-04-17; popup.evolution: .; The Kharkov State Academy of Culture. – , 0408U001987.

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