Operators close to unitary and their function models. 1
V. V. Kapustin

This publication is cited in the following articles:

1. Baranov A.D., Yakubovich D.V., “Completeness and spectral synthesis of nonselfadjoint one-dimensional perturbations of selfadjoint operators”, Adv. Math., 302 (2016), 740–798            
2. Kiselev A.V., Naboko S., “Nonself-adjoint operators with almost Hermitian spectrum: Cayley identity and some questions of spectral structure”, Arkiv For Matematik, 47:1 (2009), 91–125            
3. Kiselev A.V., Naboko S.N., “Nonself–adjoint operators with almost Hermitian spectrum: matrix model. I”, Journal of Computational and Applied Mathematics, 194:1 (2006), 115–130            
4. A. V. Kiselev, S. N. Naboko, “Nonself-Adjoint Operators with Almost Hermitian Spectrum: Weak Annihilators”, Funct. Anal. Appl., 38:3 (2004), 192–201