Physica D Nonlinear Phenomena · 1995 · 15 citations · 17 references
Natural SciencesMathematicsPhysicsDifferential EquationsTheoretical PhysicsFourier AnalysisInverse ProblemsSpectral TheoryFrequency-domain Inverse ProblemsInverse Spectral ProblemsInversion Theorems
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Linear spectral problems, non-linear equations and the δ-method
Richard Beals, Ronald R. Coifman · Inverse Problems · 1989 · 178 citations