PETROV, Arseny. "Yermak’s banner" from the kremlin armoury collection: legend and facts. Quaestio Rossica, [S. l.], v. 4, n. 1, p. 157–169, 2016. DOI: 10.15826/qr.2016.1.147. Disponível em: https://qr.urfu.ru/ojs/index.php/qr/article/view/147. Acesso em: 19 apr. 2024.