EDITORIALBOARD. Index of Volume 46 of Ukrainian Mathematical Journal. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 12, p. 1724–1729, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5582. Acesso em: 5 dec. 2025.