Geodesic
Analysis of the point spectrum of the Sturm-Liouville operator with certain behavior of potential at infinity
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2006), pp. 23-28.

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In the space $L^2 (R)$ the Sturm-Liouville operator $L$ with certain behavior of potential at infinity is considered. We prove that the eigenvalues of $ L$ are simple and are finite in number. 
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H. A. Asatryan. Analysis of the point spectrum of the Sturm-Liouville operator with certain behavior of potential at infinity. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2006), pp. 23-28. http://geodesic.mathdoc.fr/item/UZERU_2006_1_a1/

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