. P. D. Podberezkin, “Two antiquities – one policy: the «tribute of dorpat» and the «tribute of kazan» in Russian diplomacy and historical thought in 1550–60s”, Журнал БГУ. История, no. 3, pp. 74–82, Jul. 2019, doi: 10.33581/2520-6338-2019-3-74-82.