POLYANSKAYA, O. N. MONGOLIAN STUDIES IN RUSSIA OF THE SECOND HALF OF XIX AND THE BEGINNING OF XX CENTURIES: PEOPLE AND DESTINIES OF SCIENTIFIC HERITAGE. Práxis Educacional, Vitória da Conquista, v. 15, n. 34, p. 584–596, 2019. DOI: 10.22481/praxisedu.v15i34.5797. Disponível em: http://periodicos2.uesb.br/praxis/article/view/5797. Acesso em: 4 jul. 2025.