@article{DE_1980_16_5_a2,
     author = {V. I. Korobov and Nguyen Khoa Shon},
     title = {Controllability of linear systems in a {Banach} space in the presence of constraints on the {control.~I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {806--817},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_5_a2/}
}