共 50 条
- [21] Spectral Attributes of Self-Adjoint Fredholm Operators in Hilbert Space: A Rudimentary Insight Complex Analysis and Operator Theory, 2019, 13 : 1313 - 1323
- [27] Singular Rank One Perturbations of Self-Adjoint Operators and Krein Theory of Self-Adjoint Extensions Potential Analysis, 1999, 11 : 279 - 287