VOLKOVA, M. G.; GUBREEV, G. M. Unconditional bases of de Branges spaces and interpolation problems corresponding to them. Methods of Functional Analysis and Topology, [S. l.], v. 17, n. 2, p. 144–149, 2011. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/478. Acesso em: 15 dec. 2025.