1. Optimal Oscillation Processes in Mechanical Systems;Troitskii,1976
2. Variational problems of optionization for equations of the hyperbolic type in the presence of boundary controls;Petukhov;PMM,1975
3. Optimal control of Systems Governed by Partial Differential Equations;Lions,1971
4. Control Methods for Distributed-Parameter Systems;Butkovskii,1975
5. Theory of Optimal Control of the Damping of Oscillations of Simple Elastic Systems;Komkov,1975