%0 Journal Article %A L. I. Rodina %A A. H. Hammady %T Characteristics of invariancy for the attainability set of a control system %J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta %D 2016 %P 44-53 %V 47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIMI_2016_47_1_a2/ %G ru %F IIMI_2016_47_1_a2