Ostroga, Victor A. “Customs Protection of the Belarusian Part of the Western Border of the USSR in 1944 – Early 1950s”. Journal of the Belarusian State University. International Relations, no. 1 (July 1, 2019): 18–21. Accessed July 18, 2026. https://journals.bsu.by/index.php/internationalRelations/article/view/1287.