A regularized trace formula and oscillation of eigenfunctions of a Sturm-Liouville operator with retarded argument at 2 points of discontinuity
2017 ◽
Vol 40
(18)
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pp. 7051-7061
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2010 ◽
Vol 52
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pp. 1846-1857
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2010 ◽
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pp. 137-142
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2016 ◽
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pp. 1005-1017
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