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Publication:4009487
zbMath0786.34080MaRDI QIDQ4009487
Publication date: 27 September 1992
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
turning point theoryHill's equationasymptotics of the spectrumone-dimensional periodic Schrödinger operator
Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) General theory of ordinary differential operators (47E05) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions for ordinary differential operators (34L20) Special ordinary differential equations (Mathieu, Hill, Bessel, etc.) (34B30)
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