%0 Journal Article %A V. I. Blagodatskikh %T On the theory of sufficient conditions for optimality %J Informatics and Automation %D 1976 %P 78-87 %V 142 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1976_142_a4/ %G ru %F TRSPY_1976_142_a4