KAASHOEK, M. A. In Memoriam Israel Gohberg. Methods of Functional Analysis and Topology, [S. l.], v. 16, n. 4, p. 291–297, 2010. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/458. Acesso em: 16 dec. 2025.