Aequationes Mathematicae · 1999 · 45 citations · 3 references
Natural SciencesMathematicsDifferential EquationsPartial Differential EquationsSystems Of Differential EquationsReduced ProblemsWeighted Arithmetic MeanWeighted Averaging
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Lectures on Functional Equations and their Applications.
F. Hahn, J. Aczél, Hansjörg Oser · American Mathematical Monthly · 1968 · 2.6K citations
John M. Danskin · American Mathematical Monthly · 1952 · 21 citations