scientific article; zbMATH DE number 3330328
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Publication:5608367
zbMath0207.44902MaRDI QIDQ5608367
Publication date: 1970
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Spectrum, resolvent (47A10) Equations and inequalities involving linear operators, with vector unknowns (47A50) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)