scientific article

zbMATH Open0531.34016MaRDI QIDQ3312531

M. V. Fedoryuk

Publication date: 1983

Title of this publication is not available (Why is that?)

zbMATH Keywords

eigenvaluesSturm-Liouville problemregular singularitiesspurious spectrum

Mathematics Subject Classification ID

Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Special ordinary differential equations (Mathieu, Hill, Bessel, etc.) (34B30) Ordinary differential operators (34L99)

Related Items (1)

On Evgrafov-Fedoryuk's theory and quadratic differentials

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