Duke Mathematical Journal · 1953 · 13 citations · 0 references
Natural SciencesMathematicsDifferential EquationsBoundary ConditionsBoundary-value ProblemsInitial Value ProblemsMoving Boundary ProblemsOperator TheoryPartial Differential EquationsBoundary ProblemElliptic Boundary-value ProblemsElliptic Partial Differential EquationsTwo-point Boundary Value ProblemsTwo-point Boundary-value Formulation