EDITORIAL BOARD. Volodymyr Oleksandrovych Derkach (to 70th birthday anniversary). Methods of Functional Analysis and Topology, [S. l.], v. 26, n. 4, p. 295–297, 2020. DOI: https://doi.org/10.31392/MFAT-npu26_4.2020.00. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/767. Acesso em: 15 dec. 2025.