Eine Bemerkung zur WKB-Methode. (German) Zbl 0457.34045


34E20 Singular perturbations, turning point theory, WKB methods for ordinary differential equations
34E05 Asymptotic expansions of solutions to ordinary differential equations


WKB method
Full Text: EuDML


[1] Cesari L.: Asymptotic behavior and stability problems in ordinary differential equations. Berlin, Göttingen, Heidelberg, 1959. · Zbl 0082.07602
[2] Kamke E.: Differentialgleichungen. Lösungsmethoden und Lösungen. Leipzig, 1959. · Zbl 0026.31801
[3] Zeman J.: Über eine Anwendung der Phasentheorie. Acta Universitatis Palackianae Olomucensis, F. R. N., Tom 53, 1977. · Zbl 0415.34015
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