Historical and legal foundations of the formation and development of the statehood of the Principality of Polotsk in the context of the evolution of the political and legal system of the Grand Duchy of Lithuania and Russia in the 11th–16th centuries : a historical and legal aspect
Radionovs, Yanis Yevdokimovich, 2008, Candidate of Sciences dissertation
Historical and legal foundations of the formation and development of the statehood of the Principality of Polotsk in the context of the evolution of the political and legal system of the Grand Duchy of Lithuania and Russia in the 11th–16th centuries : a historical and legal aspect — Radionovs, Yanis Yevdokimovich — 2008 — Russian Dissertation Library