1. Optimal Control of Suystems Governed by Partial Differential Equations;Lions,1971
2. Distributed Parameter Control Systems, Theory and Application;Tzafestas,1982
3. A maximum principle for non-conservative self-adjoint systems;Sloss;IMA Journal of Mathematical Control and Information,1989
4. Finite-dimensional controllers for hyperbolic systems;Gran;Proceedings of the Third VPI & SU Symposium on Dynamics and Control of Large Flexible Spacecraft,1979
5. Active control of flexible systems;Balas;Journal of Optimization Theory and Applications,1978