The Asymptotic Behavior of the First Eigenvalue of Differential Operators Degenerating on the Boundary
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Publication:4142064
DOI10.2307/1997934zbMath0366.34015OpenAlexW4231372786MaRDI QIDQ4142064
Allen Devinatz, Avner Friedman
Publication date: 1977
Full work available at URL: https://doi.org/10.2307/1997934
Singular perturbations in context of PDEs (35B25) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Ordinary differential operators (34L99)
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