Operator Theory and Boundary Eigenvalue Problems : International Workshop in Vienna, July 27-30, 1993 / by Gohberg, I.

Table of Contents: “…nonreal spectrum of the selfadjoint extensions -- 6. Selfadjoint extensions …”
Full Text (via Springer)

Recent Developments in Operator Theory and Its Applications : International Conference in Winnipeg, October 2-6, 1994 / by Gohberg, I.

Table of Contents: “…Perturbations of G-selfadjoint operators and operator polynomials with …”
Full Text (via Springer)

Recent Advances in Operator Theory and Related Topics : the Béla Szökefalvi-Nagy Memorial Volume / by Kérchy, László

Table of Contents: “…Spectral properties of selfadjoint Jacobi matrices coming from birth and death …”
Full Text (via Springer)

Differential Operators and Related Topics : Proceedings of the Mark Krein International Conference on Operator Theory and Applications, Odessa, Ukraine, August 18'22, 1997 Volume I... by Adamian, V. M.

Table of Contents: “…Eigenfunction Expansion for Selfadjoint Operators and their Applications and Development …”
Full Text (via Springer)

Operator Theory and Analysis : the M.A. Kaashoek Anniversary Volume Workshop in Amsterdam, November 12-14, 1997 / by Bart, H.

Table of Contents: “…Spectral Components of Selfadjoint Operator Matrices -- 1. Introduction -- …”
Full Text (via Springer)