Title: Boi͡are, otroki, druzhiny : voenno-politicheskai͡a ėlita Rusi v X-XI vekakh /
Authors: Stefanovich, P. S.; Institut rossiĭskoĭ istorii (Rossiĭskai︠a︡ akademii︠a︡ nauk)
Year: 2012
Subjects: Elite (Social sciences) Kievan Rus.; Kievan Rus History; Kievan Rus History, Military.; Kievan Rus Politics and government.