EDITORIAL BOARD. Development of mathematics in the light of decisions of the XXIV Congress of the CPSU . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 23, n. 4, p. 435–436, 1971. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8577. Acesso em: 5 dec. 2025.