%0 Journal Article %A E. G. Gol'shtein %A B. S. Mityagin %T Fifth All-Union Conference on Optimal Planning and National Economy Management %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1972 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1972_27_3_a25/ %G ru %F RM_1972_27_3_a25