@article{DE_1967_3_3_a9,
     author = {F. A. Sholokhovich},
     title = {Controllability in a {Hilbert} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {479--484},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_3_a9/}
}