EDITORIAL BOARD. Dedication [To the memory of Mark Krein on his 100th anniversary]. Methods of Functional Analysis and Topology, [S. l.], v. 13, n. 2, p. 101–102, 2007. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/341. Acesso em: 16 dec. 2025.