%0 Journal Article
%A M. M. Kopets
%T The optimal control of a system with free initial and final states in Hilbert space
%J Differencialʹnye uravneniâ
%D 1973
%P 1728-1729
%V 9
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_9_a20/
%G ru
%F DE_1973_9_9_a20