2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66283We solve the inverse spectral problem of recovering the singular potentials $q\in W^{-1}_{2}(0,1)$ of Sturm-Liouville operators by two spectra. The reconstruction algorithm is presented and necessary and sufficient conditions on two sequences to be spectral data for Sturm-Liouville operators under consideration are given.14 pgs, AmS-LaTex2eSpectral TheoryPrimary 34A55, Secondary 34B24, 34L05, 34L20text