T. A. Bondarenko, “The foundation history of the city in the Center of Asia. To the 95th anniversary of Belotsarsk - Uryankhaysk - Krasnyi - Kyzyl”, НИТ, no. 4, Dec. 2009, Accessed: Mar. 03, 2026. [Online]. Available: https://nit.tuva.asia/nit/article/view/597