scientific article; zbMATH DE number 1973943
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Publication:4422033
zbMath1019.47003MaRDI QIDQ4422033
Publication date: 2 September 2003
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53)
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