Annals of Mathematics · 1966 · 496 citations · 0 references
Natural SciencesMathematicsPhysicsDifferential EquationsFluid DynamicsBoundary ConditionsBoundary-value ProblemsMoving Boundary ProblemsNumerical Methods For Differential EquationsOperator TheoryPartial Differential EquationsElliptic Boundary-value ProblemsElliptic Partial Differential EquationsExterior Boundary Value ProblemsParabolic Boundary-value ProblemsPseudodifferential Operators