V. A. Ostroga, “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, pp. 18–21, Jul. 2019, Accessed: Jul. 18, 2026. [Online]. Available: https://journals.bsu.by/index.php/internationalRelations/article/view/1287