Abstract
We investigate boundary-value problems for differential equations with singularity and discontinuity conditions inside an interval. We describe properties of the spectrum, prove a theorem on the completeness of eigenfunctions and associated functions, and study the inverse spectral problem.
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Amirov, R.K., Yurko, V.A. On Differential Operators with Singularity and Discontinuity Conditions inside an Interval. Ukrainian Mathematical Journal 53, 1751–1770 (2001). https://doi.org/10.1023/A:1015212426765
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DOI: https://doi.org/10.1023/A:1015212426765