@article{DE_1974_10_6_a2,
     author = {V. P. Kirlitsa and A. M. Sasonkin},
     title = {Controllability of linear systems with distributed lag in the control},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1003--1008},
     publisher = {mathdoc},
     volume = {10},
     number = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_6_a2/}
}