%0 Journal Article %A D. A. Sivkov %T Control of periodic systems spectrum by disturbances with minimal rank %J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta %D 2005 %P 3-94 %N 3 %U http://geodesic.mathdoc.fr/item/IIMI_2005_3_a0/ %G ru %F IIMI_2005_3_a0