ANDRYEYEV, V.; ANDRYEYEVA, S. A background figure in history – the case of Boris Stark. Echa Przeszłości, [S. l.], n. XXVI/2, p. 245–262, 2025. DOI: 10.31648/ep.12157. Disponível em: https://czasopisma.uwm.edu.pl/index.php/ep/article/view/12157. Acesso em: 16 grudz. 2025.