EDITORIALBOARD. Yurii Oleksiiovych Mytropol’s’kyi (Obituary). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 9, p. 1155–1156, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3233. Acesso em: 6 dec. 2025.