%0 Journal Article %A A. I. Kalinin %T A method for the improvement of attainable controls in discrete systems %J Differencialʹnye uravneniâ %D 1978 %P 338-344 %V 14 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_2_a14/ %G ru %F DE_1978_14_2_a14