Markus, A. S.; Matsaev, V. I. On the spectral factorization of holomorphic operator-functions. (English) Zbl 0582.47019 Sel. Math. Sov. 4, 325-354 (1985). Translation from Mat. Issled. 47, 71-100 (Russian) (1978; Zbl 0449.47014). MSC: 47A56 Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) 47A68 Factorization theory (including Wiener-Hopf and spectral factorizations) of linear operators Keywords:spectral factorization; holomorphic operator-functions; duality theory of spectral subspaces; hyperbolic pencils Citations:Zbl 0301.47001; Zbl 0086.317; Zbl 0331.47009; Zbl 0449.47014 PDFBibTeX XMLCite \textit{A. S. Markus} and \textit{V. I. Matsaev}, Sel. Math. Sov. 4, 325--354 (1985; Zbl 0582.47019)