%0 Journal Article %A D. V. Khlopin %T On necessary conditions of optimality for infinite horizon problems %J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta %D 2012 %P 143-144 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIMI_2012_39_1_a68/ %G ru %F IIMI_2012_39_1_a68