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On the discrete spectrum of the radial Schrödinger equation. (Über das diskrete Spektrum der radialen Schrödingergleichung.) (Russian) Zbl 0125.32402

MSC:

34L20 Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions for ordinary differential operators
34L40 Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.)
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