%0 Journal Article %A A. H. Hammady %T On properties of characteristics of attainability set for a control system %J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta %D 2015 %P 216-227 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIMI_2015_46_2_a26/ %G ru %F IIMI_2015_46_2_a26