%0 Journal Article
%A V. N. Solov'ev
%T Simplification of dual extremal problems invariant with respect to change in variables
%J Matematičeskie zametki
%D 1991
%P 104-109
%V 49
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a13/
%G ru
%F MZM_1991_49_5_a13