Journal of Mathematical Analysis and Applications · 2002 · 55 citations · 23 references
Natural SciencesMathematicsSet TheoryApproximation AlgorithmsApproximation MethodsConvergence AnalysisOperator TheoryVariational FormulationWeak FormulationConvex Variational ProblemsExistence Of MinimizersSet-valued Variational InequalitiesVariational Inequality Existence TheoremsVariational Inequality ProblemsVariational Inequality Theory
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Multi-valued contraction mappings
Sam B. Nadler · Pacific Journal of Mathematics · 1969 · 2.3K citations · Full text
John Toland · Bulletin of the London Mathematical Society · 1986 · 1.6K citations
Ernest Michael · Annals of Mathematics · 1956 · 1.4K citations