TURCHYN, Y.; IVASECHKO, O. Serhiy Shelukhin’s Theory of the Celtic Origin of Ukraine-Rus’. Echa Przeszłości, [S. l.], n. XXII/1, p. 9–27, 2021. DOI: 10.31648/ep.6706. Disponível em: https://czasopisma.uwm.edu.pl/index.php/ep/article/view/6706. Acesso em: 25 lis. 2024.