scientific article; zbMATH DE number 3292120
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Publication:5574861
zbMath0183.36101MaRDI QIDQ5574861
Publication date: 1969
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Completeness of eigenfunctions and eigenfunction expansions in context of PDEs (35P10) Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators (34L10)
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