EDITORIAL BOARD. To the 70th anniversary of Academician Vladimir Nikolayevich Koshlyakov . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 12, p. 1627, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8188. Acesso em: 5 dec. 2025.