Automatica · 1982 · 131 citations · 17 references
Natural SciencesMathematicsSystems EngineeringDesign OptimizationOptimizationControl System DesignControl SystemsControl TheoryController DesignOptimal ControlOptimization TheoryConstrained ControlControl AlgorithmsControl System OptimizationOptimal Control Of Nonlinear SystemsSingular Value Analysis
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Generalized gradients and applications
Frank H. Clarke · Transactions of the American Mathematical Society · 1975 · 1.2K citations
Necessary Conditions for an Extremum
E. Polak, B. N. Pshenichnyĭ · Mathematics of Computation · 1972 · 383 citations