EDITORIALBOARD. Vladislav Kirillovich Dzyadyk. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 12, p. 1721, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4794. Acesso em: 27 apr. 2025.