%0 Journal Article %A D. A. Serkov %T On a representation of the solvability set in the retention problem %J Vestnik rossijskih universitetov. Matematika %D 2020 %P 290-298 %V 25 %N 131 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2020_25_131_a4/ %G ru %F VTAMU_2020_25_131_a4