Functional Analysis and Its Applications · 1987 · 48 citations · 2 references
Natural SciencesMathematicsPhysicsCondensed Matter PhysicsMathematical PhysicsTheoretical PhysicsEigenvalue ProblemsIntegrable SystemsOperator TheoryPerturbation TheorySchrödinger EquationSpectral TheoryAsymptotic AnalysisBethe-bloch EquationEigenfunction ExpansionsPeriodic OperatorsSpectral Asymptotics
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The spectral theory of periodic differential equations
M. S. P. Eastham · 1973 · 612 citations