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2. Inverse Sturm-Liouville Problems;Levitan,1987
3. Determination of the Dirac system from the scattering phase;Gasymov;Soviet Math. Dokl.,1966
4. The inverse s-wave scattering problem for a class of potentials depending on energy;Jaulent;Comm. Math. Phys.,1972
5. The inverse problem of scattering theory for a second order difference equation on the whole real line;Guseinov;Soviet Math. Dokl.,1976