%0 Journal Article %A M. S. Blizorukova %T On the reconstruction of an unknown input of a system of differential equations %J Trudy Instituta matematiki i mehaniki %D 2021 %P 59-66 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2021_27_2_a4/ %G ru %F TIMM_2021_27_2_a4