%0 Journal Article
%A Y. P. Popov
%A P. D. Krut'ko
%T Symmetry in automatic control systems
%J Doklady Akademii Nauk
%D 1979
%P 842-845
%V 244
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a12/
%G ru
%F DAN_1979_244_4_a12