%0 Journal Article
%A V. G. Litvinov
%T Optimal control of coefficients in elliptic systems
%J Differencialʹnye uravneniâ
%D 1982
%P 1036-1047
%V 18
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1982_18_6_a13/
%G ru
%F DE_1982_18_6_a13