@article{DAN_1984_277_4_a2,
     author = {M. I. Zelikin},
     title = {On the theory of linear control problems},
     journal = {Doklady Akademii Nauk},
     pages = {782--785},
     publisher = {mathdoc},
     volume = {277},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_4_a2/}
}