%0 Journal Article
%A U. Raitums
%T Transition to convex families of admissible operators in optimal control problems for elliptic equations
%J Differencialʹnye uravneniâ
%D 1986
%P 1778-1785
%V 22
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_10_a13/
%G ru
%F DE_1986_22_10_a13