Mathematische Zeitschrift · 1972 · 92 citations · 22 references
Natural SciencesElectrical EngineeringDifferential EquationsApproximation MethodsElectric PotentialGreen's FunctionsPerturbation MethodsPerturbation TheoryAnalytic ApproximationsPotential Theory
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Local behavior of solutions of quasi-linear equations
James Serrin · Acta Mathematica · 1964 · 1K citations · Full text
Foundations of Modern Potential Theory
A H Cook · Physics Bulletin · 1973 · 492 citations