scientific article; zbMATH DE number 3449308
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Publication:4774592
zbMath0286.47001MaRDI QIDQ4774592
Publication date: 1974
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Research exposition (monographs, survey articles) pertaining to operator theory (47-02)
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