Шишков, Василий Валерьевич. “TERRITORIAL EXPANSION OF THE RUSSIAN EMPIRE: FROM EXPANSION TO POLITICAL INTEGRATION AND UNIFICATION OF SPACE”. Социум и власть 34, no. 2 (February 15, 2012): 124–128. Accessed November 8, 2026. https://socium-vlast.owebs.ru/article/view/27781.