Physics Letters A · 1984 · 259 citations · 4 references
Natural SciencesMathematicsPhysicsMathematical PhysicsQuantum MechanicsTheoretical PhysicsComputational Quantum MechanicsPerturbation TheoryRelativistic Quantum MechanicsSpectral AnalysisSpectral MethodsSpectral TheoryEnergy Level Perturbation TheoryQuantum Many-body Systems
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