1. On optimum control of processes in distributed objects;Egorov;PMM,1963
2. Necessary optimality conditions for distributed-parameter systems;Egorov;Mat. Sb.,1966
3. The Mayer-Bolza problem of the calculus of variations in the theory of optimum systems;Troitskii;PMM,1961
4. On variational problems of optimization of control processes;Troitskii;PMM,1962
5. Optimal problems for distributed systems;Lur'e,1967