%0 Journal Article
%A Vitalii V. Arestov
%T A characterization of extremal elements in some linear problems
%J Ural mathematical journal
%D 2017
%P 22-32
%V 3
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UMJ_2017_3_2_a3/
%G en
%F UMJ_2017_3_2_a3