%0 Journal Article %A E. M. Markushin %A S. N. Shimanov %T On convergence of the optimal control of a countable system of differential equations %J Differencialʹnye uravneniâ %D 1966 %P 314-323 %V 2 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1966_2_3_a2/ %G ru %F DE_1966_2_3_a2