%0 Journal Article
%A Yu. I. Brodskii
%T Necessary conditions for a~weak extremum in optimal control problems on an infinite time interval
%J Sbornik. Mathematics
%D 1978
%P 327-343
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1978_34_3_a2/
%G en
%F SM_1978_34_3_a2