@article{DAN_1983_268_4_a10,
     author = {S. N. Slugin},
     title = {Existence of an optimal control for a system with variable domain of definition},
     journal = {Doklady Akademii Nauk},
     pages = {818--820},
     publisher = {mathdoc},
     volume = {268},
     number = {4},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_268_4_a10/}
}