%0 Journal Article
%A D. È. Allakhverdiev
%A N. K. Allachverdieva
%T An optimal control problem in Hilbert space
%J Differencialʹnye uravneniâ
%D 1977
%P 2124-2134
%V 13
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_12_a1/
%G ru
%F DE_1977_13_12_a1