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- [33] ON DEGREES OF STABILITY AND NON-SINGULARITY AND EIGENVALUES DISTRIBUTION OF SOME CLASSES OF MATRICES KEXUE TONGBAO, 1982, 27 (10): : 1027 - 1032
- [36] Regularity properties of some perturbations of non-densely defined operators with applications Journal of Evolution Equations, 2020, 20 : 659 - 702
- [38] A Characterization of S-Essential Spectrum by Means of Measure of Non-Strict-Singularity and Application AZERBAIJAN JOURNAL OF MATHEMATICS, 2015, 5 (01): : 73 - 88
- [39] Characterization and stability of the essential spectrum based on measures of polynomially non-strict singularity operators INDAGATIONES MATHEMATICAE-NEW SERIES, 2015, 26 (03): : 455 - 467