%0 Journal Article
%A A. N. Pechen
%A N. B. Il'in
%T On critical points of the objective functional for maximization of qubit observables
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2015
%P 782-784
%V 70
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2015_70_4_a6/
%G en
%F RM_2015_70_4_a6