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2. Differentiability of a Min-Max and application to optimal control and design problems;Delfour,1986
3. also, as: Differentiability of Min-Max and applications, SIAM J. Control Optim., to appear.
4. Asymptotic stability and energy decay rates for solutions of hyperbolic equations with boundary damping;Quinn,1977
5. Energy decay estimates and exact boundary value controllability for the wave equation in a bounded domain;Chen;J. Math. Pures Appl.,1979