Systems & Control Letters · 1992 · 15 citations · 7 references
Natural SciencesMathematicsApplied MechanicsDifferential EquationsDynamical SystemsBoundary ConditionsLagrangian MechanicsOptimal ControlVariational FormulationVariational InequalitiesVariational PrinciplesConstrained Variational ProblemsLagrange's EquationsLagrangian FormulationUniqueness Of MinimizersVariational Formulation Of Mechanics
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Ivar Ekeland · Journal of Mathematical Analysis and Applications · 1974 · 2.3K citations · Full text
The Generalized Problem of Bolza
Frank H. Clarke · SIAM Journal on Control and Optimization · 1976 · 79 citations