LYAPIN, Denis. The Belgorod Line as an Object of Research: Heuristic and Analytical Possibilities of Traditional and Modern Historical Methods. Quaestio Rossica, [S. l.], v. 11, n. 2, p. 705–712, 2023. DOI: 10.15826/qr.2023.2.813. Disponível em: https://qr.urfu.ru/ojs/index.php/qr/article/view/qr.813. Acesso em: 3 jul. 2024.