Solomyak, B. M. Functional model for dissipative operators. A coordinate-free approach. (English. Russian original) Zbl 0784.47018 J. Sov. Math. 61, No. 2, 1981-2002 (1992); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 178, 57-91 (1989). MSC: 47A45 47B44 47A20 34L40 47E05 PDFBibTeX XMLCite \textit{B. M. Solomyak}, J. Sov. Math. 61, No. 2, 1981--2002 (1989; Zbl 0784.47018); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 178, 57--91 (1989) Full Text: DOI
Pavlov, B. S.; Faddeev, M. D. Construction of a self-adjoint dilatation for a problem with impedance boundary condition. (English) Zbl 0614.35065 J. Sov. Math. 34, 2152-2156 (1986). MSC: 35P05 PDFBibTeX XMLCite \textit{B. S. Pavlov} and \textit{M. D. Faddeev}, J. Sov. Math. 34, 2152--2156 (1986; Zbl 0614.35065) Full Text: DOI
Vakulenko, A. F. A condition for the absence of the singular continuous spectrum in the Friedrichs model. II. (English) Zbl 0601.47014 J. Sov. Math. 27, 2559-2561 (1984). MSC: 47A55 47A10 47A40 PDFBibTeX XMLCite \textit{A. F. Vakulenko}, J. Sov. Math. 27, 2559--2561 (1984; Zbl 0601.47014) Full Text: DOI