Bulletin of the American Mathematical Society · 1971 · 79 citations · 6 references
Natural SciencesMathematicsPhysicsDifferential EquationsMathematical PhysicsHilbert Space FormalismOperator TheoryPartial Differential EquationsSpectral TheoryHilbert-schmidt TheoryNonlinear Partial Differential EquationsParabolic Partial Differential EquationsRiemann - Hilbert ProblemsRiemann-hilbert Problems
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