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Continue to ChatRegularized trace formula for Sturm-Liouville problem with retarded argument on quadratically eigenparameter-dependent boundary condition - https://avesis.omu.edu.tr/yayin/2d171b65-7037-4425-9ab1-df7083e10f6a/regularized-trace-formula-for-sturm-liouville-problem-with-retarded-argument-on-quadratically-eigenparameter-dependent-boundary-condition