 Nyora kupfuurira kweiyi ndima - Skrynnikovs monographs pamusoro peOprichinina uye kukunda kweRussia kweSiberiarakadhindwazve kakawanda uye rakashandurirwa mune mimwe mitauro mikuru. Akanyorawo nhoroondo dzoupenyu hwaIvan III, Ivan IV, nevamwe vatongi veRussia. 