%0 Journal Article
%A Ya. N. Roitenberg
%T On the determination of the state of a non-linear control system in phase space
%J Doklady Akademii Nauk
%D 1962
%P 1225-1228
%V 144
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_144_6_a5/
%G ru
%F DAN_1962_144_6_a5