The Astrophysical Journal Supplement Series · 1958 · 54 citations · 0 references
Natural SciencesComputational EngineeringRepresentation TheoryBoundary ConditionsFourier AnalysisFourier Series MethodsIntegral EquationsOperator TheorySpectral TheoryAsymptotic Boundary ConditionsDirichlet ConditionsEigenfunction ExpansionsOrthogonal ExpansionsOrthogonal Polynomial ExpansionsWave Equation Expansions