MALYCHEVA, Tanja. The early work of Valentin Serov in the context of European painting: the example of Olga Trubnikova portrait of 1886. Actual Problems of Theory and History of Art, [S. l.], v. 2, p. 435–440, 2012. Disponível em: https://publ.actual-art.org/aptha/article/view/10108. Acesso em: 14 mar. 2025.