American Journal of Mathematics · 1962 · 101 citations · 0 references
Natural SciencesMathematicsPhysicsDifferential EquationsApproximation AlgorithmsApproximation MethodsNumerical Methods For Differential EquationsPartial Differential EquationsVariational FormulationWeak FormulationAnalytic ApproximationsDiscretization Of Partial Differential EquationsNonlinear Partial Differential Equations