Mathematische Annalen · 1976 · 21 citations · 2 references
Natural SciencesMathematicsDifferential EquationsDynamical SystemsOperator TheoryPartial Differential EquationsPerturbation MethodsPerturbation TheoryStability TheoryWeak FormulationPerturbation Of Initial Value ProblemsPerturbation Of Nonlinear Differential EquationsRegularity TheoryVariational Perturbation TheoryWeak ContinuityWeak Solutions
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