scientific article; zbMATH DE number 3893661

zbMath0561.35057MaRDI QIDQ5186073

Georgi E. Karadzhov

Publication date: 1984

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

method of stationary phasespectral functionasymptotic formulasharmonic oscillator

Mathematics Subject Classification ID

General topics in linear spectral theory for PDEs (35P05) Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) General theory of partial differential operators (47F05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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