scientific article; zbMATH DE number 3374461
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Publication:5645975
zbMath0236.47032MaRDI QIDQ5645975
Publication date: 1965
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Functional calculus for linear operators (47A60) Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Spectrum, resolvent (47A10) Linear symmetric and selfadjoint operators (unbounded) (47B25) Linear operators on spaces with an indefinite metric (47B50)
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