@article{DE_1978_14_2_a14,
     author = {A. I. Kalinin},
     title = {A method for the improvement of attainable controls in discrete systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {338--344},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_2_a14/}
}