%0 Journal Article %A M. V. Plekhanova %T Optimality systems for degenerate distributed control problems %J Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika %D 2013 %P 60-70 %N 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/VCHGU_2013_16_a5/ %G ru %F VCHGU_2013_16_a5