1. N. N. Moiseev, Elements of the Theory of Optimal Systems (Nauka, Moscow, 1975) [in Russian].
2. A. G. Butkovskii, Theory of Optimal Control of Distributed-parameter Systems (Nauka, Moscow, 1965) [in Russian].
3. A. G. Butkovskii, Control Methods for Distributed-Parameter Systems (Nauka, Moscow, 1975) [in Russian].
4. E. Ya. Rapoport, Optimal Control of Distributed-Parameter Systems (Vysshaya Shkola, Moscow, 2009) [in Russian].
5. E. Ya. Rapoport, Alternance Method in Applied Optimization Problems (Nauka, Moscow, 2000) [in Russian].