13 citations to https://www.mathnet.ru/rus/tmf6539
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Albeverio S. Fassari S. Rinaldi F., “A Remarkable Spectral Feature of the Schrodinger Hamiltonian of the Harmonic Oscillator Perturbed by an Attractive Delta `-Interaction Centred at the Origin: Double Degeneracy and Level Crossing”, J. Phys. A-Math. Theor., 46:38 (2013), 385305
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Ratiu T.S. Suleimanova A.A. Shafarevich A.I., “Spectral Series of the Schrodinger Operator with Delta-Potential on a Three-Dimensional Spherically Symmetric Manifold”, Russ. J. Math. Phys., 20:3 (2013), 326–335
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Ратью Т., Филатова Т.А., Шафаревич А.И., “Некомпактные лагранжевы многообразия, соответствующие спектральным сериям оператора Шредингера с дельта-потенциалом на поверхности вращения”, Докл. РАН, 446:6 (2012), 618–620 ; Ratiu T., Filatova T.A., Shafarevich A.I., “Noncompact Lagrangian manifolds corresponding to the spectral series of the Schrödinger operator with delta-potential on a surface of revolution”, Dokl. Math., 86:2 (2012), 694–696