scientific article; zbMATH DE number 4117284
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Publication:4731710
zbMath0682.47027MaRDI QIDQ4731710
Publication date: 1987
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
asymptotic expansionrayspectral projectorSchwartz kernelfirst order matrix operatorMaslov' canonical operatornon-trapping conditionsecond order scalar operatorspectral function of a partial differential operator
Spectral problems; spectral geometry; scattering theory on manifolds (58J50) Spectrum, resolvent (47A10) General theory of partial differential operators (47F05)
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