IOFFE, Emanuil G. Shumeiko M. F., Yanovskaya V. V., Yanovskiy O. A. Unknown V. I. Picheta. Journal of the Belarusian State University. History, [S. l.], n. 2, p. 95–97, 2022. Disponível em: https://journals.bsu.by/index.php/history/article/view/4696. Acesso em: 17 jul. 2026.