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Continue to ChatSpectral properties of eigenvalues and eigenfunctions of a discontinuous boundary value problem with retarded argument - https://avesis.yildiz.edu.tr/publication/details/fa456d67-50f0-4565-a702-3840e0c19878/spectral-properties-of-eigenvalues-and-eigenfunctions-of-a-discontinuous-boundary-value-problem-with-retarded-argument