PSYANCHIN, Yulay V.; RAEMGUZHINA, Zilya M. Distinguished Russian Mongologist, pedagogue and public figure Grigoriy Pyurbeev turns 75. The New Research of Tuva, [S. l.], n. 4, 2015. Disponível em: https://nit.tuva.asia/nit/article/view/65. Acesso em: 16 feb. 2026.