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Publication:3331792
zbMath0543.47045MaRDI QIDQ3331792
Publication date: 1983
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pseudodifferential operators as generalizations of partial differential operators (35S05) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Spectrum, resolvent (47A10) Linear symmetric and selfadjoint operators (unbounded) (47B25) Pseudodifferential operators (47G30)
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