%0 Journal Article %A S. A. Minyuk %T On a theory of the controllability and completeness of systems of difference equations in the presence of constraints on the control and on the initial conditions %J Differencialʹnye uravneniâ %D 1990 %P 1924-1936 %V 26 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_11_a11/ %G ru %F DE_1990_26_11_a11