Communications in Mathematical Physics · 1983 · 42 citations · 5 references
Natural SciencesMathematicsPhysicsDifferential EquationsMathematical PhysicsTheoretical PhysicsOperator TheoryPartial Differential EquationsPerturbation MethodsPerturbation TheorySingular Perturbation TheorySpectral TheoryMatrix Perturbation TheoryNon-degenerate Perturbation TheoryOperatorsPerturbation Of Nonlinear Differential EquationsPerturbation Theory Of OperatorsRegular Perturbation TheorySingular Perturbation Analysis
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