1. Optimal Control Theory for Systems with Distributed Parameters;Butkovskii,1965
2. Optimal Control of Systems Described by Partial Differential Equations;Lions,1972
3. Optimization of Systems with Distributed Parameters;Sirazetdinov,1977
4. Optimal Control of Thermal and Diffusive Processes;Yegorov,1978
5. Exact controllability, stabilization and perturbations for distributed systems;Lions;SIAM Review,1988