EDITORIALBOARD. Volodymyr Vasyl’ovych Sharko. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 67, n. 2, p. 286–288, 2015. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1981. Acesso em: 5 dec. 2025.