Index of volume I of „Ukrainian Mathematical Journal” , 1949. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 1, n. 4, p. 99, 1949. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6596. Acesso em: 6 dec. 2025.