SAMOILENKO, A. M. On the 70th anniversary of the Institute of Mathematics of the Ukrainian National Academy of Sciences. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 6, p. 723–736, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3793. Acesso em: 6 dec. 2025.