@article{DAN_1967_175_6_a10,
     author = {V. I. Plotnikov},
     title = {Optimal control of systems with distribution parameters},
     journal = {Doklady Akademii Nauk},
     pages = {1238--1241},
     year = {1967},
     volume = {175},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_175_6_a10/}
}