@article{DE_1972_8_5_a2,
     author = {R. Gabasov and F. M. Kirillova and V. V. Krakhotko and S. A. Minyuk},
     title = {Theory of the controllability of linear discrete systems. {I.~The} defining equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {767--773},
     publisher = {mathdoc},
     volume = {8},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_5_a2/}
}