EDITORIAL BOARD, . Professor Boris Yakovlevich Bukreev (On the occasion of the 90th birthday and 65th scientific and pedagogical activity). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 2, n. 1, p. 3–9, 1950. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6409. Acesso em: 5 dec. 2025.