EDITORIALBOARD. Mykhailo Pylypovych Kravchuk (27.09.1892 – 09.03.1942), famous ukrainian mathematician (on the 125th anniversary of his birth). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 9, p. 1265–1269, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1777. Acesso em: 5 dec. 2025.