scientific article; zbMATH DE number 1225776

zbMath0906.34058MaRDI QIDQ4220180

Vladimir Il'in

Publication date: 22 November 1998

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

zbMATH Keywords

orthonormal systems

Mathematics Subject Classification ID

Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators (34L10)

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