HASSI, S.; ARLINSKII, Yu. M. Compressed resolvents of selfadjoint contractive exit space extensions and holomorphic operator-valued functions associated with them. Methods of Functional Analysis and Topology, [S. l.], v. 21, n. 3, p. 199–224, 2015. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/612. Acesso em: 4 feb. 2026.