%0 Journal Article %A Yu. P. Krivenkov %T The use of the theory of optimal processes for the investigation of production models.~II %J Differencialʹnye uravneniâ %D 1968 %P 798-811 %V 4 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_5_a3/ %G ru %F DE_1968_4_5_a3