Opuscula Mathematica > 2022 > Vol. 42, no. 3 > 427--437
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journal ISSN : | 1232-9274 |
journal e-ISSN : | 2300−6919 |
DOI | 10.7494/OpMath.2022.42.3.427 |
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Bibliography
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[1] V.A. Ambarzumian, Über eine range der Eigenwerttheorie, Zeitschrift für Physik 53 (1929), 690–695.
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[2] J. Boman, P. Kurasov, R. Suhr, Schrödinger operators on graphs and geometry II. Spectral estimates for L1-potentials and Ambartsumian’s theorem, Integral Equations Operator Theory 90 (2018), Article no. 40.
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[3] G. Borg, Uniqueness theorems in the spectral theory of y′′ + (λ − q(x))y = 0, Proc. 11th Scandinavian Congress of Mathematicians, Johan Grundt Tanums Forlag Oslo (1952), 276–287.